406855755 has 24 divisors (see below), whose sum is σ = 705777072. Its totient is φ = 216817344.

The previous prime is 406855727. The next prime is 406855783. The reversal of 406855755 is 557558604.

406855755 is a `hidden beast` number, since 40 + 6 + 8 + 557 + 55 = 666.

It is an interprime number because it is at equal distance from previous prime (406855727) and next prime (406855783).

It is not a de Polignac number, because 406855755 - 2⁷ = 406855627 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 406855755.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70437 + ... + 75993.

It is an arithmetic number, because the mean of its divisors is an integer number (29407378).

Almost surely, 2^406855755 is an apocalyptic number.

406855755 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

406855755 is a deficient number, since it is larger than the sum of its proper divisors (298921317).

406855755 is a wasteful number, since it uses less digits than its factorization.

406855755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7195 (or 7192 counting only the distinct ones).

The product of its (nonzero) digits is 840000, while the sum is 45.

The square root of 406855755 is about 20170.6657054248. The cubic root of 406855755 is about 740.9919464559.

The spelling of 406855755 in words is "four hundred six million, eight hundred fifty-five thousand, seven hundred fifty-five".