406532444 has 12 divisors (see below), whose sum is σ = 711690000. Its totient is φ = 203192448.

The previous prime is 406532381. The next prime is 406532447. The reversal of 406532444 is 444235604.

It is a super-2 number, since 2×406532444² = 330537256049226272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 406532444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406532447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4949 + ... + 28940.

It is an arithmetic number, because the mean of its divisors is an integer number (59307500).

Almost surely, 2^406532444 is an apocalyptic number.

It is an amenable number.

406532444 is a deficient number, since it is larger than the sum of its proper divisors (305157556).

406532444 is a wasteful number, since it uses less digits than its factorization.

406532444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36892 (or 36890 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

The square root of 406532444 is about 20162.6497266604. The cubic root of 406532444 is about 740.7956161585.

The spelling of 406532444 in words is "four hundred six million, five hundred thirty-two thousand, four hundred forty-four".