401551550304 has 48 divisors (see below), whose sum is σ = 1054331006400. Its totient is φ = 133817731200.

The previous prime is 401551550303. The next prime is 401551550341. The reversal of 401551550304 is 403055155104.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×401551550304² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401551550303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116722 + ... + 903729.

It is an arithmetic number, because the mean of its divisors is an integer number (21965229300).

Almost surely, 2^401551550304 is an apocalyptic number.

It is an amenable number.

401551550304 is an abundant number, since it is smaller than the sum of its proper divisors (652779456096).

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

401551550304 is a wasteful number, since it uses less digits than its factorization.

401551550304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024563 (or 1024555 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 401551550304 in words is "four hundred one billion, five hundred fifty-one million, five hundred fifty thousand, three hundred four".