1374324505920 has 84 divisors (see below), whose sum is σ = 4727103675060. Its totient is φ = 366486534144.

The previous prime is 1374324505919. The next prime is 1374324505933. The reversal of 1374324505920 is 295054234731.

It is a happy number.

1374324505920 is a `hidden beast` number, since 1 + 3 + 7 + 4 + 3 + 2 + 4 + 50 + 592 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 920770746624 + 453553759296 = 959568^2 + 673464^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 238595125 + ... + 238600884.

Almost surely, 2^{1374324505920} is an apocalyptic number.

1374324505920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1374324505920 is an abundant number, since it is smaller than the sum of its proper divisors (3352779169140).

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

1374324505920 is a wasteful number, since it uses less digits than its factorization.

1374324505920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477196032 (or 477196019 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 1374324505920 in words is "one trillion, three hundred seventy-four billion, three hundred twenty-four million, five hundred five thousand, nine hundred twenty".