355696240 has 20 divisors (see below), whose sum is σ = 826993944. Its totient is φ = 142278464.

The previous prime is 355696199. The next prime is 355696247. The reversal of 355696240 is 42696553.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 355696193 and 355696202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355696247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2223022 + ... + 2223181.

Almost surely, 2^355696240 is an apocalyptic number.

It is an amenable number.

355696240 is an abundant number, since it is smaller than the sum of its proper divisors (471297704).

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

355696240 is a wasteful number, since it uses less digits than its factorization.

355696240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4446216 (or 4446210 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 40.

The square root of 355696240 is about 18859.9109223771. The cubic root of 355696240 is about 708.5324710074.

The spelling of 355696240 in words is "three hundred fifty-five million, six hundred ninety-six thousand, two hundred forty".