2355957440 has 56 divisors (see below), whose sum is σ = 5905408560. Its totient is φ = 892781568.

The previous prime is 2355957403. The next prime is 2355957451. The reversal of 2355957440 is 447595532.

It is a junction number, because it is equal to n+sod(n) for n = 2355957391 and 2355957400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187667 + ... + 199826.

Almost surely, 2^2355957440 is an apocalyptic number.

2355957440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2355957440 is an abundant number, since it is smaller than the sum of its proper divisors (3549451120).

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

2355957440 is a wasteful number, since it uses less digits than its factorization.

2355957440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387529 (or 387519 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 44.

The square root of 2355957440 is about 48538.2059825041. The cubic root of 2355957440 is about 1330.6254129876.

The spelling of 2355957440 in words is "two billion, three hundred fifty-five million, nine hundred fifty-seven thousand, four hundred forty".