553019451840 has 280 divisors, whose sum is σ = 2004309204480. Its totient is φ = 144689006592.

The previous prime is 553019451821. The next prime is 553019451863. The reversal of 553019451840 is 48154910355.

It is a happy number.

553019451840 is a `hidden beast` number, since 5 + 5 + 3 + 0 + 1 + 94 + 518 + 40 = 666.

It is a super-2 number, since 2×553019451840² (a number of 24 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1172481 + ... + 1575039.

Almost surely, 2^553019451840 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 553019451840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1002154602240).

553019451840 is an abundant number, since it is smaller than the sum of its proper divisors (1451289752640).

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

553019451840 is a wasteful number, since it uses less digits than its factorization.

553019451840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402641 (or 402622 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 45.

The spelling of 553019451840 in words is "five hundred fifty-three billion, nineteen million, four hundred fifty-one thousand, eight hundred forty".