15445426002 has 64 divisors (see below), whose sum is σ = 33570318720. Its totient is φ = 4720840704.

The previous prime is 15445425997. The next prime is 15445426043. The reversal of 15445426002 is 20062454451.

It is a super-3 number, since 3×15445426002³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 804588 + ... + 823560.

It is an arithmetic number, because the mean of its divisors is an integer number (524536230).

Almost surely, 2^15445426002 is an apocalyptic number.

15445426002 is an abundant number, since it is smaller than the sum of its proper divisors (18124892718).

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

15445426002 is a wasteful number, since it uses less digits than its factorization.

15445426002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19227.

The product of its (nonzero) digits is 38400, while the sum is 33.

The spelling of 15445426002 in words is "fifteen billion, four hundred forty-five million, four hundred twenty-six thousand, two".