1957636484 has 24 divisors (see below), whose sum is σ = 3538166016. Its totient is φ = 946764000.

The previous prime is 1957636459. The next prime is 1957636489. The reversal of 1957636484 is 4846367591.

It is not an unprimeable number, because it can be changed into a prime (1957636489) 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, 440594 + ... + 445014.

It is an arithmetic number, because the mean of its divisors is an integer number (147423584).

Almost surely, 2^1957636484 is an apocalyptic number.

It is an amenable number.

1957636484 is a deficient number, since it is larger than the sum of its proper divisors (1580529532).

1957636484 is a wasteful number, since it uses less digits than its factorization.

1957636484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8027 (or 8025 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 53.

The square root of 1957636484 is about 44245.1859980269. The cubic root of 1957636484 is about 1250.9617098216.

The spelling of 1957636484 in words is "one billion, nine hundred fifty-seven million, six hundred thirty-six thousand, four hundred eighty-four".