1372640500 has 192 divisors, whose sum is σ = 3785273856. Its totient is φ = 422400000.

The previous prime is 1372640497. The next prime is 1372640543. The reversal of 1372640500 is 50462731.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3888324 + ... + 3888676.

It is an arithmetic number, because the mean of its divisors is an integer number (19714968).

Almost surely, 2^1372640500 is an apocalyptic number.

1372640500 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 1372640500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1892636928).

1372640500 is an abundant number, since it is smaller than the sum of its proper divisors (2412633356).

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

1372640500 is a wasteful number, since it uses less digits than its factorization.

1372640500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491 (or 479 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 1372640500 is about 37049.1632833995. The cubic root of 1372640500 is about 1111.3536228062.

The spelling of 1372640500 in words is "one billion, three hundred seventy-two million, six hundred forty thousand, five hundred".