42021025284 has 96 divisors (see below), whose sum is σ = 112710963456. Its totient is φ = 11936010240.

The previous prime is 42021025261. The next prime is 42021025297. The reversal of 42021025284 is 48252012024.

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, 17241714 + ... + 17244150.

It is an arithmetic number, because the mean of its divisors is an integer number (1174072536).

Almost surely, 2^42021025284 is an apocalyptic number.

It is an amenable number.

42021025284 is an abundant number, since it is smaller than the sum of its proper divisors (70689938172).

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

42021025284 is a wasteful number, since it uses less digits than its factorization.

42021025284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3565 (or 3563 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 30.

The spelling of 42021025284 in words is "forty-two billion, twenty-one million, twenty-five thousand, two hundred eighty-four".