372020440 has 64 divisors (see below), whose sum is σ = 915183360. Its totient is φ = 134977920.

The previous prime is 372020387. The next prime is 372020443. The reversal of 372020440 is 44020273.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (372020443) by changing a digit.

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, 319299 + ... + 320461.

It is an arithmetic number, because the mean of its divisors is an integer number (14299740).

Almost surely, 2^372020440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 372020440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (457591680).

372020440 is an abundant number, since it is smaller than the sum of its proper divisors (543162920).

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

372020440 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (372020439) it forms an eRAP, since the sums of their prime factors are consecutive (1911 and 1912).

372020440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1912 (or 1908 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 372020440 is about 19287.8313970234. The cubic root of 372020440 is about 719.2098069563.

372020440 divided by its sum of digits (22) gives a triangular number (16910020 = T₅₈₁₅).

The spelling of 372020440 in words is "three hundred seventy-two million, twenty thousand, four hundred forty".