334513640 has 32 divisors (see below), whose sum is σ = 755359560. Its totient is φ = 133324800.

The previous prime is 334513631. The next prime is 334513649. The reversal of 334513640 is 46315433.

It is an interprime number because it is at equal distance from previous prime (334513631) and next prime (334513649).

It can be written as a sum of positive squares in 4 ways, for example, as 238826116 + 95687524 = 15454^2 + 9782^2 .

It is a super-2 number, since 2×334513640² = 223798750692099200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (334513649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3641 + ... + 26120.

Almost surely, 2^334513640 is an apocalyptic number.

It is an amenable number.

334513640 is an abundant number, since it is smaller than the sum of its proper divisors (420845920).

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

334513640 is a wasteful number, since it uses less digits than its factorization.

334513640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30053 (or 30049 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 334513640 is about 18289.7140491589. The cubic root of 334513640 is about 694.1786892427.

The spelling of 334513640 in words is "three hundred thirty-four million, five hundred thirteen thousand, six hundred forty".