406632260 has 24 divisors (see below), whose sum is σ = 874757016. Its totient is φ = 158685440.

The previous prime is 406632251. The next prime is 406632263. The reversal of 406632260 is 62236604.

It can be written as a sum of positive squares in 4 ways, for example, as 287296 + 406344964 = 536^2 + 20158^2 .

It is not an unprimeable number, because it can be changed into a prime (406632263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247127 + ... + 248766.

It is an arithmetic number, because the mean of its divisors is an integer number (36448209).

Almost surely, 2^406632260 is an apocalyptic number.

It is an amenable number.

406632260 is an abundant number, since it is smaller than the sum of its proper divisors (468124756).

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

406632260 is a wasteful number, since it uses less digits than its factorization.

406632260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495943 (or 495941 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 406632260 is about 20165.1248446420. The cubic root of 406632260 is about 740.8562404336.

Adding to 406632260 its reverse (62236604), we get a palindrome (468868864).

The spelling of 406632260 in words is "four hundred six million, six hundred thirty-two thousand, two hundred sixty".