1957952940 has 24 divisors (see below), whose sum is σ = 5482268400. Its totient is φ = 522120768.

The previous prime is 1957952933. The next prime is 1957952981. The reversal of 1957952940 is 492597591.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16316215 + ... + 16316334.

It is an arithmetic number, because the mean of its divisors is an integer number (228427850).

Almost surely, 2^1957952940 is an apocalyptic number.

1957952940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1957952940 is an abundant number, since it is smaller than the sum of its proper divisors (3524315460).

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

1957952940 is a wasteful number, since it uses less digits than its factorization.

1957952940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32632561 (or 32632559 counting only the distinct ones).

The product of its (nonzero) digits is 1020600, while the sum is 51.

The square root of 1957952940 is about 44248.7620165808. The cubic root of 1957952940 is about 1251.0291130419.

The spelling of 1957952940 in words is "one billion, nine hundred fifty-seven million, nine hundred fifty-two thousand, nine hundred forty".