452101878 has 32 divisors (see below), whose sum is σ = 1006992000. Its totient is φ = 150352488.

The previous prime is 452101877. The next prime is 452101907. The reversal of 452101878 is 878101254.

It is a super-2 number, since 2×452101878² = 408792216182253768, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452101873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14473 + ... + 33371.

It is an arithmetic number, because the mean of its divisors is an integer number (31468500).

Almost surely, 2^452101878 is an apocalyptic number.

452101878 is an abundant number, since it is smaller than the sum of its proper divisors (554890122).

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

452101878 is a wasteful number, since it uses less digits than its factorization.

452101878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19353 (or 19347 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The square root of 452101878 is about 21262.6874594911. The cubic root of 452101878 is about 767.5006825177.

The spelling of 452101878 in words is "four hundred fifty-two million, one hundred one thousand, eight hundred seventy-eight".