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554535130420440 = 233451387323150769
BaseRepresentation
bin111111000010110001100010…
…1011101101101010011011000
32200201110001002200201120220000
41332011203011131231103120
51040141000421341423230
65243221531055133000
7224542561324206411
oct17605430535552330
92621401080646800
10554535130420440
1115076803446a844
1252240759214160
131aa56591288a90
149ad1901b62808
154419ae838eb60
hex1f858c576d4d8

554535130420440 has 320 divisors, whose sum is σ = 2007263887120800. Its totient is φ = 136498486652928.

The previous prime is 554535130420421. The next prime is 554535130420441. The reversal of 554535130420440 is 44024031535455.

554535130420440 is a `hidden beast` number, since 5 + 5 + 4 + 5 + 35 + 130 + 42 + 0 + 440 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554535130420441) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3677969376 + ... + 3678120144.

Almost surely, 2554535130420440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 554535130420440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1003631943560400).

554535130420440 is an abundant number, since it is smaller than the sum of its proper divisors (1452728756700360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

554535130420440 is a wasteful number, since it uses less digits than its factorization.

554535130420440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238128 (or 238115 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 45.

Adding to 554535130420440 its reverse (44024031535455), we get a palindrome (598559161955895).

The spelling of 554535130420440 in words is "five hundred fifty-four trillion, five hundred thirty-five billion, one hundred thirty million, four hundred twenty thousand, four hundred forty".