492890215872 has 56 divisors (see below), whose sum is σ = 1305842236672. Its totient is φ = 164077920000.

The previous prime is 492890215801. The next prime is 492890215879. The reversal of 492890215872 is 278512098294.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492890215879) 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, 1564954 + ... + 1853337.

Almost surely, 2^492890215872 is an apocalyptic number.

It is an amenable number.

492890215872 is an abundant number, since it is smaller than the sum of its proper divisors (812952020800).

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

492890215872 is a wasteful number, since it uses less digits than its factorization.

492890215872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3419057 (or 3419047 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 57.

The spelling of 492890215872 in words is "four hundred ninety-two billion, eight hundred ninety million, two hundred fifteen thousand, eight hundred seventy-two".