290938022432 has 54 divisors (see below), whose sum is σ = 579339457893. Its totient is φ = 143822871552.

The previous prime is 290938022399. The next prime is 290938022471. The reversal of 290938022432 is 234220839092.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 290180451856 + 757570576 = 538684^2 + 27524^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=381404.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 295969013 + ... + 295969995.

Almost surely, 2^290938022432 is an apocalyptic number.

It is an amenable number.

290938022432 is a deficient number, since it is larger than the sum of its proper divisors (288401435461).

290938022432 is an frugal number, since it uses more digits than its factorization.

290938022432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2170 (or 1082 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 44.

The spelling of 290938022432 in words is "two hundred ninety billion, nine hundred thirty-eight million, twenty-two thousand, four hundred thirty-two".