452778036 has 24 divisors (see below), whose sum is σ = 1074390240. Its totient is φ = 148367712.

The previous prime is 452777989. The next prime is 452778049. The reversal of 452778036 is 630877254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319051 + ... + 320466.

It is an arithmetic number, because the mean of its divisors is an integer number (44766260).

Almost surely, 2^452778036 is an apocalyptic number.

It is an amenable number.

452778036 is an abundant number, since it is smaller than the sum of its proper divisors (621612204).

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

452778036 is a wasteful number, since it uses less digits than its factorization.

452778036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639583 (or 639581 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 42.

The square root of 452778036 is about 21278.5816256629. The cubic root of 452778036 is about 767.8831134504.

The spelling of 452778036 in words is "four hundred fifty-two million, seven hundred seventy-eight thousand, thirty-six".