1397737430400 has 96 divisors (see below), whose sum is σ = 4603797693000. Its totient is φ = 372729978880.

The previous prime is 1397737430393. The next prime is 1397737430429. The reversal of 1397737430400 is 40347377931.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 1397737430400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72789225 + ... + 72808424.

Almost surely, 2^{1397737430400} is an apocalyptic number.

1397737430400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1397737430400 is an abundant number, since it is smaller than the sum of its proper divisors (3206060262600).

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

1397737430400 is a wasteful number, since it uses less digits than its factorization.

1397737430400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145597676 (or 145597659 counting only the distinct ones).

The product of its (nonzero) digits is 1333584, while the sum is 48.

The spelling of 1397737430400 in words is "one trillion, three hundred ninety-seven billion, seven hundred thirty-seven million, four hundred thirty thousand, four hundred".