450399376 has 30 divisors (see below), whose sum is σ = 1015123830. Its totient is φ = 193027968.

The previous prime is 450399373. The next prime is 450399379. The reversal of 450399376 is 673993054.

It is an interprime number because it is at equal distance from previous prime (450399373) and next prime (450399379).

It can be written as a sum of positive squares in only one way, i.e., 348792976 + 101606400 = 18676^2 + 10080^2 .

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (450399373) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 286461 + ... + 288028.

It is an arithmetic number, because the mean of its divisors is an integer number (33837461).

Almost surely, 2^450399376 is an apocalyptic number.

It is an amenable number.

450399376 is an abundant number, since it is smaller than the sum of its proper divisors (564724454).

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

450399376 is a wasteful number, since it uses less digits than its factorization.

450399376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574511 (or 574498 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 46.

The square root of 450399376 is about 21222.6147305180. The cubic root of 450399376 is about 766.5360658023.

It can be divided in two parts, 450399 and 376, that added together give a triangular number (450775 = T₉₄₉).

The spelling of 450399376 in words is "four hundred fifty million, three hundred ninety-nine thousand, three hundred seventy-six".