354014640 has 120 divisors (see below), whose sum is σ = 1358761248. Its totient is φ = 80916480.

The previous prime is 354014621. The next prime is 354014663. The reversal of 354014640 is 46410453.

354014640 is a `hidden beast` number, since 3 + 5 + 4 + 0 + 14 + 640 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30081 + ... + 40160.

Almost surely, 2^354014640 is an apocalyptic number.

354014640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

354014640 is an abundant number, since it is smaller than the sum of its proper divisors (1004746608).

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

354014640 is a wasteful number, since it uses less digits than its factorization.

354014640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70267 (or 70258 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 354014640 is about 18815.2767718150. The cubic root of 354014640 is about 707.4141471655.

The spelling of 354014640 in words is "three hundred fifty-four million, fourteen thousand, six hundred forty".