1357656244 has 96 divisors (see below), whose sum is σ = 2977599744. Its totient is φ = 528353280.

The previous prime is 1357656221. The next prime is 1357656269. The reversal of 1357656244 is 4426567531.

It is a self number, because there is not a number n which added to its sum of digits gives 1357656244.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2764839 + ... + 2765329.

It is an arithmetic number, because the mean of its divisors is an integer number (31016664).

Almost surely, 2^1357656244 is an apocalyptic number.

1357656244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1357656244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1488799872).

1357656244 is an abundant number, since it is smaller than the sum of its proper divisors (1619943500).

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

1357656244 is a wasteful number, since it uses less digits than its factorization.

1357656244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713 (or 711 counting only the distinct ones).

The product of its digits is 604800, while the sum is 43.

The square root of 1357656244 is about 36846.3871227560. The cubic root of 1357656244 is about 1107.2948340539.

The spelling of 1357656244 in words is "one billion, three hundred fifty-seven million, six hundred fifty-six thousand, two hundred forty-four".