1957844759352 has 32 divisors (see below), whose sum is σ = 4961661380880. Its totient is φ = 643674988800.

The previous prime is 1957844759317. The next prime is 1957844759357. The reversal of 1957844759352 is 2539574487591.

It is a super-2 number, since 2×1957844759352² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1957844759357) 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, 558743899 + ... + 558747402.

Almost surely, 2^{1957844759352} is an apocalyptic number.

1957844759352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1957844759352 is an abundant number, since it is smaller than the sum of its proper divisors (3003816621528).

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

1957844759352 is a wasteful number, since it uses less digits than its factorization.

1957844759352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117491383 (or 1117491379 counting only the distinct ones).

The product of its digits is 381024000, while the sum is 69.

The spelling of 1957844759352 in words is "one trillion, nine hundred fifty-seven billion, eight hundred forty-four million, seven hundred fifty-nine thousand, three hundred fifty-two".