290155851696 has 40 divisors (see below), whose sum is σ = 749645194240. Its totient is φ = 96708822336.

The previous prime is 290155851649. The next prime is 290155851703. The reversal of 290155851696 is 696158551092.

It is a happy number.

It is a super-2 number, since 2×290155851696² (a number of 24 digits) contains 22 as substring.

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, 180801 + ... + 782943.

It is an arithmetic number, because the mean of its divisors is an integer number (18741129856).

Almost surely, 2^290155851696 is an apocalyptic number.

It is an amenable number.

290155851696 is an abundant number, since it is smaller than the sum of its proper divisors (459489342544).

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

290155851696 is a wasteful number, since it uses less digits than its factorization.

290155851696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612193 (or 612187 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 57.

The spelling of 290155851696 in words is "two hundred ninety billion, one hundred fifty-five million, eight hundred fifty-one thousand, six hundred ninety-six".