34404356640 has 96 divisors (see below), whose sum is σ = 109426052736. Its totient is φ = 9085409280.

The previous prime is 34404356621. The next prime is 34404356641. The reversal of 34404356640 is 4665340443.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (34404356641) 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, 298501 + ... + 397380.

It is an arithmetic number, because the mean of its divisors is an integer number (1139854716).

Almost surely, 2^34404356640 is an apocalyptic number.

34404356640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34404356640 is an abundant number, since it is smaller than the sum of its proper divisors (75021696096).

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

34404356640 is a wasteful number, since it uses less digits than its factorization.

34404356640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696002 (or 695994 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 39.

The spelling of 34404356640 in words is "thirty-four billion, four hundred four million, three hundred fifty-six thousand, six hundred forty".