325920405290 has 8 divisors (see below), whose sum is σ = 586656729540. Its totient is φ = 130368162112.

The previous prime is 325920405281. The next prime is 325920405313. The reversal of 325920405290 is 92504029523.

It can be written as a sum of positive squares in 2 ways, for example, as 309310608649 + 16609796641 = 556157^2 + 128879^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×325920405290² (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 3 ways as a sum of consecutive naturals, for example, 16296020255 + ... + 16296020274.

Almost surely, 2^325920405290 is an apocalyptic number.

325920405290 is a deficient number, since it is larger than the sum of its proper divisors (260736324250).

325920405290 is a wasteful number, since it uses less digits than its factorization.

325920405290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32592040536.

The product of its (nonzero) digits is 194400, while the sum is 41.

The spelling of 325920405290 in words is "three hundred twenty-five billion, nine hundred twenty million, four hundred five thousand, two hundred ninety".