553904445402 has 768 divisors, whose sum is σ = 1669475598336. Its totient is φ = 128532096000.

The previous prime is 553904445397. The next prime is 553904445481. The reversal of 553904445402 is 204544409355.

553904445402 is a `hidden beast` number, since 553 + 9 + 0 + 4 + 44 + 54 + 0 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 4361452263 + ... + 4361452389.

It is an arithmetic number, because the mean of its divisors is an integer number (2173796352).

Almost surely, 2^553904445402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 553904445402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (834737799168).

553904445402 is an abundant number, since it is smaller than the sum of its proper divisors (1115571152934).

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

553904445402 is a wasteful number, since it uses less digits than its factorization.

553904445402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 45.

The spelling of 553904445402 in words is "five hundred fifty-three billion, nine hundred four million, four hundred forty-five thousand, four hundred two".