290128037928 has 32 divisors (see below), whose sum is σ = 743010831360. Its totient is φ = 94350581120.

The previous prime is 290128037897. The next prime is 290128037981. The reversal of 290128037928 is 829730821092.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147421800 + ... + 147423767.

It is an arithmetic number, because the mean of its divisors is an integer number (23219088480).

Almost surely, 2^290128037928 is an apocalyptic number.

It is an amenable number.

290128037928 is an abundant number, since it is smaller than the sum of its proper divisors (452882793432).

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

290128037928 is a wasteful number, since it uses less digits than its factorization.

290128037928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294845617 (or 294845613 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The spelling of 290128037928 in words is "two hundred ninety billion, one hundred twenty-eight million, thirty-seven thousand, nine hundred twenty-eight".