452021292 has 36 divisors (see below), whose sum is σ = 1179470656. Its totient is φ = 145812960.

The previous prime is 452021281. The next prime is 452021293. The reversal of 452021292 is 292120254.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (452021293) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 201403 + ... + 203634.

Almost surely, 2^452021292 is an apocalyptic number.

It is an amenable number.

452021292 is an abundant number, since it is smaller than the sum of its proper divisors (727449364).

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

452021292 is a wasteful number, since it uses less digits than its factorization.

452021292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405078 (or 405073 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 452021292 is about 21260.7923652906. The cubic root of 452021292 is about 767.4550781320.

The spelling of 452021292 in words is "four hundred fifty-two million, twenty-one thousand, two hundred ninety-two".