351056240 has 40 divisors (see below), whose sum is σ = 817032528. Its totient is φ = 140280320.

The previous prime is 351056213. The next prime is 351056243. The reversal of 351056240 is 42650153.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351056243) 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, 116999 + ... + 119961.

Almost surely, 2^351056240 is an apocalyptic number.

It is an amenable number.

351056240 is an abundant number, since it is smaller than the sum of its proper divisors (465976288).

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

351056240 is a wasteful number, since it uses less digits than its factorization.

351056240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4457 (or 4451 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 351056240 is about 18736.4948696388. The cubic root of 351056240 is about 705.4380792509.

The spelling of 351056240 in words is "three hundred fifty-one million, fifty-six thousand, two hundred forty".