1368643401400 has 96 divisors (see below), whose sum is σ = 3565198576080. Its totient is φ = 484237440000.

The previous prime is 1368643401361. The next prime is 1368643401439. The reversal of 1368643401400 is 41043468631.

It is an interprime number because it is at equal distance from previous prime (1368643401361) and next prime (1368643401439).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8325501 + ... + 8488300.

Almost surely, 2^{1368643401400} is an apocalyptic number.

1368643401400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1368643401400 is an abundant number, since it is smaller than the sum of its proper divisors (2196555174680).

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

1368643401400 is a wasteful number, since it uses less digits than its factorization.

1368643401400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16813865 (or 16813856 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 1368643401400 in words is "one trillion, three hundred sixty-eight billion, six hundred forty-three million, four hundred one thousand, four hundred".