9400621056 has 96 divisors (see below), whose sum is σ = 25312014000. Its totient is φ = 3102310400.

The previous prime is 9400621031. The next prime is 9400621057. The reversal of 9400621056 is 6501260049.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9400621057) 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, 612970 + ... + 628118.

Almost surely, 2^9400621056 is an apocalyptic number.

9400621056 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9400621056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12656007000).

9400621056 is an abundant number, since it is smaller than the sum of its proper divisors (15911392944).

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

9400621056 is a wasteful number, since it uses less digits than its factorization.

9400621056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15275 (or 15255 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 9400621056 is about 96956.7999471930. The cubic root of 9400621056 is about 2110.5007725553.

The spelling of 9400621056 in words is "nine billion, four hundred million, six hundred twenty-one thousand, fifty-six".