2332157840 has 40 divisors (see below), whose sum is σ = 5429860800. Its totient is φ = 931556736.

The previous prime is 2332157833. The next prime is 2332157843. The reversal of 2332157840 is 487512332.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2332157840.

It is not an unprimeable number, because it can be changed into a prime (2332157843) by changing a digit.

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, 38111 + ... + 78209.

It is an arithmetic number, because the mean of its divisors is an integer number (135746520).

Almost surely, 2^2332157840 is an apocalyptic number.

2332157840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2332157840 is an abundant number, since it is smaller than the sum of its proper divisors (3097702960).

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

2332157840 is a wasteful number, since it uses less digits than its factorization.

2332157840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40839 (or 40833 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 2332157840 is about 48292.4201091641. The cubic root of 2332157840 is about 1326.1296340179.

The spelling of 2332157840 in words is "two billion, three hundred thirty-two million, one hundred fifty-seven thousand, eight hundred forty".