1057734243940 has 48 divisors (see below), whose sum is σ = 2433847881024. Its totient is φ = 382936208000.

The previous prime is 1057734243931. The next prime is 1057734244001. The reversal of 1057734243940 is 493424377501.

It is a super-2 number, since 2×1057734243940² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10540111 + ... + 10639990.

It is an arithmetic number, because the mean of its divisors is an integer number (50705164188).

Almost surely, 2^{1057734243940} is an apocalyptic number.

1057734243940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1057734243940 is an abundant number, since it is smaller than the sum of its proper divisors (1376113637084).

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

1057734243940 is a wasteful number, since it uses less digits than its factorization.

1057734243940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21180348 (or 21180346 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 49.

The spelling of 1057734243940 in words is "one trillion, fifty-seven billion, seven hundred thirty-four million, two hundred forty-three thousand, nine hundred forty".