452155540 has 48 divisors (see below), whose sum is σ = 1026547200. Its totient is φ = 166707072.

The previous prime is 452155537. The next prime is 452155541. The reversal of 452155540 is 45551254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452155541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2020 + ... + 30139.

It is an arithmetic number, because the mean of its divisors is an integer number (21386400).

Almost surely, 2^452155540 is an apocalyptic number.

It is an amenable number.

452155540 is an abundant number, since it is smaller than the sum of its proper divisors (574391660).

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

452155540 is a wasteful number, since it uses less digits than its factorization.

452155540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32224 (or 32222 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 452155540 is about 21263.9493039275. The cubic root of 452155540 is about 767.5310473493.

The spelling of 452155540 in words is "four hundred fifty-two million, one hundred fifty-five thousand, five hundred forty".