10621154442 has 32 divisors (see below), whose sum is σ = 21330376704. Its totient is φ = 3525729200.

The previous prime is 10621154417. The next prime is 10621154449. The reversal of 10621154442 is 24445112601.

It is a super-2 number, since 2×10621154442² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10621154449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2817643 + ... + 2821409.

It is an arithmetic number, because the mean of its divisors is an integer number (666574272).

Almost surely, 2^10621154442 is an apocalyptic number.

10621154442 is an abundant number, since it is smaller than the sum of its proper divisors (10709222262).

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

10621154442 is a wasteful number, since it uses less digits than its factorization.

10621154442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5594.

The product of its (nonzero) digits is 7680, while the sum is 30.

The spelling of 10621154442 in words is "ten billion, six hundred twenty-one million, one hundred fifty-four thousand, four hundred forty-two".