1372280240 has 40 divisors (see below), whose sum is σ = 3250760688. Its totient is φ = 538553600.

The previous prime is 1372280213. The next prime is 1372280281. The reversal of 1372280240 is 420822731.

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, 157586 + ... + 166065.

Almost surely, 2^1372280240 is an apocalyptic number.

1372280240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1372280240 is an abundant number, since it is smaller than the sum of its proper divisors (1878480448).

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

1372280240 is a wasteful number, since it uses less digits than its factorization.

1372280240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323717 (or 323711 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 1372280240 is about 37044.3010461798. The cubic root of 1372280240 is about 1111.2563865455.

The spelling of 1372280240 in words is "one billion, three hundred seventy-two million, two hundred eighty thousand, two hundred forty".