406451563600 has 60 divisors (see below), whose sum is σ = 978505483744. Its totient is φ = 162246706560.

The previous prime is 406451563597. The next prime is 406451563603. The reversal of 406451563600 is 6365154604.

It is an interprime number because it is at equal distance from previous prime (406451563597) and next prime (406451563603).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406451563603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 848454 + ... + 1238053.

Almost surely, 2^406451563600 is an apocalyptic number.

406451563600 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

406451563600 is an abundant number, since it is smaller than the sum of its proper divisors (572053920144).

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

406451563600 is a wasteful number, since it uses less digits than its factorization.

406451563600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2087012 (or 2087001 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 406451563600 in words is "four hundred six billion, four hundred fifty-one million, five hundred sixty-three thousand, six hundred".