452979240 has 64 divisors (see below), whose sum is σ = 1553074560. Its totient is φ = 103537920.

The previous prime is 452979203. The next prime is 452979251. The reversal of 452979240 is 42979254.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 452979192 and 452979201.

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, 268791 + ... + 270470.

It is an arithmetic number, because the mean of its divisors is an integer number (24266790).

Almost surely, 2^452979240 is an apocalyptic number.

452979240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

452979240 is an abundant number, since it is smaller than the sum of its proper divisors (1100095320).

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

452979240 is a wasteful number, since it uses less digits than its factorization.

452979240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539282 (or 539278 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 452979240 is about 21283.3089532619. The cubic root of 452979240 is about 767.9968397222.

The spelling of 452979240 in words is "four hundred fifty-two million, nine hundred seventy-nine thousand, two hundred forty".