335445640 has 16 divisors (see below), whose sum is σ = 754752780. Its totient is φ = 134178240.

The previous prime is 335445601. The next prime is 335445653. The reversal of 335445640 is 46544533.

It can be written as a sum of positive squares in 2 ways, for example, as 325946916 + 9498724 = 18054^2 + 3082^2 .

It is a super-2 number, since 2×335445640² = 225047554790019200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 335445596 and 335445605.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4193031 + ... + 4193110.

Almost surely, 2^335445640 is an apocalyptic number.

It is an amenable number.

335445640 is an abundant number, since it is smaller than the sum of its proper divisors (419307140).

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

335445640 is a wasteful number, since it uses less digits than its factorization.

335445640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8386152 (or 8386148 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 34.

The square root of 335445640 is about 18315.1751288378. The cubic root of 335445640 is about 694.8227831717.

The spelling of 335445640 in words is "three hundred thirty-five million, four hundred forty-five thousand, six hundred forty".