452586638 has 12 divisors (see below), whose sum is σ = 789717672. Its totient is φ = 193965660.

The previous prime is 452586623. The next prime is 452586671. The reversal of 452586638 is 836685254.

It is a super-2 number, since 2×452586638² = 409669329792286088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 452586592 and 452586601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2309018 + ... + 2309213.

It is an arithmetic number, because the mean of its divisors is an integer number (65809806).

Almost surely, 2^452586638 is an apocalyptic number.

452586638 is a deficient number, since it is larger than the sum of its proper divisors (337131034).

452586638 is a wasteful number, since it uses less digits than its factorization.

452586638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4618247 (or 4618240 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 47.

The square root of 452586638 is about 21274.0837170488. The cubic root of 452586638 is about 767.7748985382.

The spelling of 452586638 in words is "four hundred fifty-two million, five hundred eighty-six thousand, six hundred thirty-eight".