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544402031040 = 263257317112269
BaseRepresentation
bin1111110110000001110…
…00111100000111000000
31221001012022110121002200
413323000320330013000
532404413404443130
61054032252513200
754221534625030
oct7730070740700
91831168417080
10544402031040
1119a97483261a
128961317b800
133c44c1c491a
141c4c62b78c0
15e263d05760
hex7ec0e3c1c0

544402031040 has 672 divisors, whose sum is σ = 2240347299840. Its totient is φ = 118714982400.

The previous prime is 544402031023. The next prime is 544402031077. The reversal of 544402031040 is 40130204445.

It is a happy number.

544402031040 is a `hidden beast` number, since 5 + 4 + 440 + 203 + 10 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is a junction number, because it is equal to n+sod(n) for n = 544402030995 and 544402031013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 44366026 + ... + 44378294.

Almost surely, 2544402031040 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 544402031040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1120173649920).

544402031040 is an abundant number, since it is smaller than the sum of its proper divisors (1695945268800).

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

544402031040 is a wasteful number, since it uses less digits than its factorization.

544402031040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12401 (or 12388 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 544402031040 its reverse (40130204445), we get a palindrome (584532235485).

The spelling of 544402031040 in words is "five hundred forty-four billion, four hundred two million, thirty-one thousand, forty".