345444400740 has 48 divisors (see below), whose sum is σ = 967468586112. Its totient is φ = 92097148416.

The previous prime is 345444400681. The next prime is 345444400751. The reversal of 345444400740 is 47004444543.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 405669 + ... + 924908.

It is an arithmetic number, because the mean of its divisors is an integer number (20155595544).

Almost surely, 2^345444400740 is an apocalyptic number.

345444400740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

345444400740 is an abundant number, since it is smaller than the sum of its proper divisors (622024185372).

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

345444400740 is a wasteful number, since it uses less digits than its factorization.

345444400740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334916 (or 1334914 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 39.

The spelling of 345444400740 in words is "three hundred forty-five billion, four hundred forty-four million, four hundred thousand, seven hundred forty".