1357457644992 has 56 divisors (see below), whose sum is σ = 3591728753536. Its totient is φ = 452470503168.

The previous prime is 1357457644979. The next prime is 1357457644997. The reversal of 1357457644992 is 2994467547531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1357457644997) 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, 6487803 + ... + 6693765.

It is an arithmetic number, because the mean of its divisors is an integer number (64138013456).

Almost surely, 2^{1357457644992} is an apocalyptic number.

1357457644992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1357457644992 is an abundant number, since it is smaller than the sum of its proper divisors (2234271108544).

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

1357457644992 is a wasteful number, since it uses less digits than its factorization.

1357457644992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240305 (or 240295 counting only the distinct ones).

The product of its digits is 228614400, while the sum is 66.

The spelling of 1357457644992 in words is "one trillion, three hundred fifty-seven billion, four hundred fifty-seven million, six hundred forty-four thousand, nine hundred ninety-two".