1372268779620 has 24 divisors (see below), whose sum is σ = 3842352583104. Its totient is φ = 365938341216.

The previous prime is 1372268779601. The next prime is 1372268779621. The reversal of 1372268779620 is 269778622731.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (60), and also a Moran number because the ratio is a prime number: 22871146327 = 1372268779620 / (1 + 3 + 7 + 2 + 2 + 6 + 8 + 7 + 7 + 9 + 6 + 2 + 0).

It is not an unprimeable number, because it can be changed into a prime (1372268779621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11435573104 + ... + 11435573223.

It is an arithmetic number, because the mean of its divisors is an integer number (160098024296).

Almost surely, 2^{1372268779620} is an apocalyptic number.

1372268779620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1372268779620 is an abundant number, since it is smaller than the sum of its proper divisors (2470083803484).

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

1372268779620 is a wasteful number, since it uses less digits than its factorization.

1372268779620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22871146339 (or 22871146337 counting only the distinct ones).

The product of its (nonzero) digits is 21337344, while the sum is 60.

The spelling of 1372268779620 in words is "one trillion, three hundred seventy-two billion, two hundred sixty-eight million, seven hundred seventy-nine thousand, six hundred twenty".