452399040 has 112 divisors (see below), whose sum is σ = 1595993760. Its totient is φ = 120637440.

The previous prime is 452399039. The next prime is 452399093. The reversal of 452399040 is 40993254.

452399040 is a `hidden beast` number, since 4 + 523 + 9 + 90 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 452398986 and 452399004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17541 + ... + 34820.

Almost surely, 2^452399040 is an apocalyptic number.

452399040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

452399040 is an abundant number, since it is smaller than the sum of its proper divisors (1143594720).

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

452399040 is a wasteful number, since it uses less digits than its factorization.

452399040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52387 (or 52371 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 452399040 is about 21269.6741865032. The cubic root of 452399040 is about 767.6688025052.

The spelling of 452399040 in words is "four hundred fifty-two million, three hundred ninety-nine thousand, forty".