402180058845 has 128 divisors (see below), whose sum is σ = 755167518720. Its totient is φ = 202681543680.

The previous prime is 402180058843. The next prime is 402180058883. The reversal of 402180058845 is 548850081204.

402180058845 is a `hidden beast` number, since 4 + 0 + 21 + 8 + 0 + 0 + 588 + 45 = 666.

It is not a de Polignac number, because 402180058845 - 2¹ = 402180058843 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 402180058845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402180058843) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 116134584 + ... + 116138046.

It is an arithmetic number, because the mean of its divisors is an integer number (5899746240).

Almost surely, 2^402180058845 is an apocalyptic number.

402180058845 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

402180058845 is a deficient number, since it is larger than the sum of its proper divisors (352987459875).

402180058845 is a wasteful number, since it uses less digits than its factorization.

402180058845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3944 (or 3938 counting only the distinct ones).

The product of its (nonzero) digits is 409600, while the sum is 45.

The spelling of 402180058845 in words is "four hundred two billion, one hundred eighty million, fifty-eight thousand, eight hundred forty-five".