1357744992 has 48 divisors (see below), whose sum is σ = 3568807872. Its totient is φ = 451981440.

The previous prime is 1357744981. The next prime is 1357745009. The reversal of 1357744992 is 2994477531.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

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, 66567 + ... + 84537.

It is an arithmetic number, because the mean of its divisors is an integer number (74350164).

Almost surely, 2^1357744992 is an apocalyptic number.

1357744992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1357744992 is an abundant number, since it is smaller than the sum of its proper divisors (2211062880).

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

1357744992 is a wasteful number, since it uses less digits than its factorization.

1357744992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18771 (or 18763 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 51.

The square root of 1357744992 is about 36847.5914002530. The cubic root of 1357744992 is about 1107.3189609419.

The spelling of 1357744992 in words is "one billion, three hundred fifty-seven million, seven hundred forty-four thousand, nine hundred ninety-two".