345811588990 has 32 divisors (see below), whose sum is σ = 711422518464. Its totient is φ = 118557527040.

The previous prime is 345811588937. The next prime is 345811588999. The reversal of 345811588990 is 99885118543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345811588999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1265902 + ... + 1514638.

It is an arithmetic number, because the mean of its divisors is an integer number (22231953702).

Almost surely, 2^345811588990 is an apocalyptic number.

345811588990 is an abundant number, since it is smaller than the sum of its proper divisors (365610929474).

345811588990 is a wasteful number, since it uses less digits than its factorization.

345811588990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268612.

The product of its (nonzero) digits is 12441600, while the sum is 61.

The spelling of 345811588990 in words is "three hundred forty-five billion, eight hundred eleven million, five hundred eighty-eight thousand, nine hundred ninety".