1340678077400 has 24 divisors (see below), whose sum is σ = 3117076530420. Its totient is φ = 536271230880.

The previous prime is 1340678077391. The next prime is 1340678077477. The reversal of 1340678077400 is 47708760431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3351694994 + ... + 3351695393.

Almost surely, 2^{1340678077400} is an apocalyptic number.

1340678077400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1340678077400 is an abundant number, since it is smaller than the sum of its proper divisors (1776398453020).

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

1340678077400 is a wasteful number, since it uses less digits than its factorization.

1340678077400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6703390403 (or 6703390394 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 47.

The spelling of 1340678077400 in words is "one trillion, three hundred forty billion, six hundred seventy-eight million, seventy-seven thousand, four hundred".