1358373397680 has 640 divisors, whose sum is σ = 5433402240000. Its totient is φ = 309039390720.

The previous prime is 1358373397673. The next prime is 1358373397741. The reversal of 1358373397680 is 867933738531.

1358373397680 is a `hidden beast` number, since 13 + 583 + 7 + 3 + 39 + 7 + 6 + 8 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 21843271 + ... + 21905369.

It is an arithmetic number, because the mean of its divisors is an integer number (8489691000).

Almost surely, 2^{1358373397680} is an apocalyptic number.

1358373397680 is a gapful number since it is divisible by the number (10) 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 1358373397680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2716701120000).

1358373397680 is an abundant number, since it is smaller than the sum of its proper divisors (4075028842320).

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

1358373397680 is a wasteful number, since it uses less digits than its factorization.

1358373397680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62194 (or 62182 counting only the distinct ones).

The product of its (nonzero) digits is 68584320, while the sum is 63.

The spelling of 1358373397680 in words is "one trillion, three hundred fifty-eight billion, three hundred seventy-three million, three hundred ninety-seven thousand, six hundred eighty".