40455163866285 has 80 divisors (see below), whose sum is σ = 83070984116736. Its totient is φ = 18451077806592.

The previous prime is 40455163866253. The next prime is 40455163866353. The reversal of 40455163866285 is 58266836155404.

40455163866285 is a `hidden beast` number, since 4 + 0 + 4 + 5 + 516 + 38 + 6 + 6 + 2 + 85 = 666.

It is not a de Polignac number, because 40455163866285 - 2⁵ = 40455163866253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 15250389 + ... + 17705498.

Almost surely, 2^{40455163866285} is an apocalyptic number.

40455163866285 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40455163866285 is an abundant number, since it is smaller than the sum of its proper divisors (42615820250451).

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

40455163866285 is a wasteful number, since it uses less digits than its factorization.

40455163866285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32956344 (or 32956335 counting only the distinct ones).

The product of its (nonzero) digits is 165888000, while the sum is 63.

The spelling of 40455163866285 in words is "forty trillion, four hundred fifty-five billion, one hundred sixty-three million, eight hundred sixty-six thousand, two hundred eighty-five".