1372986240 has 128 divisors (see below), whose sum is σ = 4394649600. Its totient is φ = 364603392.

The previous prime is 1372986239. The next prime is 1372986257. The reversal of 1372986240 is 426892731.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 1372986192 and 1372986201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 503601 + ... + 506319.

It is an arithmetic number, because the mean of its divisors is an integer number (34333200).

Almost surely, 2^1372986240 is an apocalyptic number.

1372986240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1372986240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2197324800).

1372986240 is an abundant number, since it is smaller than the sum of its proper divisors (3021663360).

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

1372986240 is a wasteful number, since it uses less digits than its factorization.

1372986240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3004 (or 2992 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 1372986240 is about 37053.8289519450. The cubic root of 1372986240 is about 1111.4469240372.

The spelling of 1372986240 in words is "one billion, three hundred seventy-two million, nine hundred eighty-six thousand, two hundred forty".