345863086440 has 32 divisors (see below), whose sum is σ = 1037589259680. Its totient is φ = 92230156352.

The previous prime is 345863086423. The next prime is 345863086493. The reversal of 345863086440 is 44680368543.

It is a happy number.

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, 1441096074 + ... + 1441096313.

It is an arithmetic number, because the mean of its divisors is an integer number (32424664365).

Almost surely, 2^345863086440 is an apocalyptic number.

345863086440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

345863086440 is an abundant number, since it is smaller than the sum of its proper divisors (691726173240).

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

345863086440 is a wasteful number, since it uses less digits than its factorization.

345863086440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2882192401 (or 2882192397 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 51.

The spelling of 345863086440 in words is "three hundred forty-five billion, eight hundred sixty-three million, eighty-six thousand, four hundred forty".