452777990 has 64 divisors (see below), whose sum is σ = 956510208. Its totient is φ = 151113600.

The previous prime is 452777989. The next prime is 452778049. The reversal of 452777990 is 99777254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 456395 + ... + 457385.

It is an arithmetic number, because the mean of its divisors is an integer number (14945472).

Almost surely, 2^452777990 is an apocalyptic number.

452777990 is an abundant number, since it is smaller than the sum of its proper divisors (503732218).

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

452777990 is a wasteful number, since it uses less digits than its factorization.

452777990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173.

The product of its (nonzero) digits is 1111320, while the sum is 50.

The square root of 452777990 is about 21278.5805447638. The cubic root of 452777990 is about 767.8830874460.

The spelling of 452777990 in words is "four hundred fifty-two million, seven hundred seventy-seven thousand, nine hundred ninety".