406156452 has 48 divisors (see below), whose sum is σ = 1080640512. Its totient is φ = 117619200.

The previous prime is 406156427. The next prime is 406156481. The reversal of 406156452 is 254651604.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73924 + ... + 79227.

It is an arithmetic number, because the mean of its divisors is an integer number (22513344).

Almost surely, 2^406156452 is an apocalyptic number.

It is an amenable number.

406156452 is an abundant number, since it is smaller than the sum of its proper divisors (674484060).

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

406156452 is a wasteful number, since it uses less digits than its factorization.

406156452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153188 (or 153186 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 406156452 is about 20153.3235968661. The cubic root of 406156452 is about 740.5671644132.

The spelling of 406156452 in words is "four hundred six million, one hundred fifty-six thousand, four hundred fifty-two".