1357823657540 has 48 divisors (see below), whose sum is σ = 3275152608000. Its totient is φ = 463200135552.

The previous prime is 1357823657483. The next prime is 1357823657549. The reversal of 1357823657540 is 457563287531.

It is not an unprimeable number, because it can be changed into a prime (1357823657549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24340835 + ... + 24396554.

It is an arithmetic number, because the mean of its divisors is an integer number (68232346000).

Almost surely, 2^{1357823657540} is an apocalyptic number.

1357823657540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1357823657540 is an abundant number, since it is smaller than the sum of its proper divisors (1917328950460).

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

1357823657540 is a wasteful number, since it uses less digits than its factorization.

1357823657540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48737604 (or 48737602 counting only the distinct ones).

The product of its (nonzero) digits is 21168000, while the sum is 56.

The spelling of 1357823657540 in words is "one trillion, three hundred fifty-seven billion, eight hundred twenty-three million, six hundred fifty-seven thousand, five hundred forty".