1372030640 has 40 divisors (see below), whose sum is σ = 3191521920. Its totient is φ = 548545536.

The previous prime is 1372030637. The next prime is 1372030651. The reversal of 1372030640 is 460302731.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293441 + ... + 298079.

It is an arithmetic number, because the mean of its divisors is an integer number (79788048).

Almost surely, 2^1372030640 is an apocalyptic number.

1372030640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1372030640 is an abundant number, since it is smaller than the sum of its proper divisors (1819491280).

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

1372030640 is a wasteful number, since it uses less digits than its factorization.

1372030640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8349 (or 8343 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 1372030640 is about 37040.9319537184. The cubic root of 1372030640 is about 1111.1890080795.

The spelling of 1372030640 in words is "one billion, three hundred seventy-two million, thirty thousand, six hundred forty".