455444372 has 24 divisors (see below), whose sum is σ = 809951016. Its totient is φ = 224045568.

The previous prime is 455444371. The next prime is 455444387. The reversal of 455444372 is 273444554.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 281098756 + 174345616 = 16766^2 + 13204^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455444371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131738 + ... + 135150.

It is an arithmetic number, because the mean of its divisors is an integer number (33747959).

Almost surely, 2^455444372 is an apocalyptic number.

It is an amenable number.

455444372 is a deficient number, since it is larger than the sum of its proper divisors (354506644).

455444372 is a wasteful number, since it uses less digits than its factorization.

455444372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3947 (or 3945 counting only the distinct ones).

The product of its digits is 268800, while the sum is 38.

The square root of 455444372 is about 21341.1427060502. The cubic root of 455444372 is about 769.3874771204.

The spelling of 455444372 in words is "four hundred fifty-five million, four hundred forty-four thousand, three hundred seventy-two".