28570543261452 has 72 divisors (see below), whose sum is σ = 73990101730272. Its totient is φ = 9290146694400.

The previous prime is 28570543261441. The next prime is 28570543261471. The reversal of 28570543261452 is 25416234507582.

28570543261452 is a `hidden beast` number, since 2 + 8 + 5 + 70 + 543 + 26 + 1 + 4 + 5 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11537673 + ... + 13793439.

Almost surely, 2^{28570543261452} is an apocalyptic number.

It is an amenable number.

28570543261452 is an abundant number, since it is smaller than the sum of its proper divisors (45419558468820).

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

28570543261452 is a wasteful number, since it uses less digits than its factorization.

28570543261452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2264399 (or 2264394 counting only the distinct ones).

The product of its (nonzero) digits is 16128000, while the sum is 54.

The spelling of 28570543261452 in words is "twenty-eight trillion, five hundred seventy billion, five hundred forty-three million, two hundred sixty-one thousand, four hundred fifty-two".