406661260 has 24 divisors (see below), whose sum is σ = 854375760. Its totient is φ = 162590784.

The previous prime is 406661251. The next prime is 406661293. The reversal of 406661260 is 62166604.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70402 + ... + 75958.

It is an arithmetic number, because the mean of its divisors is an integer number (35598990).

Almost surely, 2^406661260 is an apocalyptic number.

It is an amenable number.

406661260 is an abundant number, since it is smaller than the sum of its proper divisors (447714500).

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

406661260 is a wasteful number, since it uses less digits than its factorization.

406661260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9225 (or 9223 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 406661260 is about 20165.8438950618. The cubic root of 406661260 is about 740.8738520223.

The spelling of 406661260 in words is "four hundred six million, six hundred sixty-one thousand, two hundred sixty".