1373815461400 has 96 divisors (see below), whose sum is σ = 3453968485440. Its totient is φ = 506196776960.

The previous prime is 1373815461323. The next prime is 1373815461407. The reversal of 1373815461400 is 41645183731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1373815461407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4138747 + ... + 4458346.

It is an arithmetic number, because the mean of its divisors is an integer number (35978838390).

Almost surely, 2^{1373815461400} is an apocalyptic number.

1373815461400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1373815461400 is an abundant number, since it is smaller than the sum of its proper divisors (2080153024040).

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

1373815461400 is a wasteful number, since it uses less digits than its factorization.

1373815461400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8597173 (or 8597164 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 1373815461400 in words is "one trillion, three hundred seventy-three billion, eight hundred fifteen million, four hundred sixty-one thousand, four hundred".