406366240560 has 80 divisors (see below), whose sum is σ = 1439697543936. Its totient is φ = 92883711744.

The previous prime is 406366240547. The next prime is 406366240583. The reversal of 406366240560 is 65042663604.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×406366240560² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120940654 + ... + 120944013.

Almost surely, 2^406366240560 is an apocalyptic number.

406366240560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

406366240560 is an abundant number, since it is smaller than the sum of its proper divisors (1033331303376).

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

406366240560 is a wasteful number, since it uses less digits than its factorization.

406366240560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241884690 (or 241884684 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 406366240560 in words is "four hundred six billion, three hundred sixty-six million, two hundred forty thousand, five hundred sixty".