40152636855 has 24 divisors (see below), whose sum is σ = 73691899632. Its totient is φ = 20155048704.

The previous prime is 40152636851. The next prime is 40152636857. The reversal of 40152636855 is 55863625104.

40152636855 is a `hidden beast` number, since 4 + 0 + 1 + 5 + 2 + 636 + 8 + 5 + 5 = 666.

It is not a de Polignac number, because 40152636855 - 2² = 40152636851 is a prime.

It is a super-2 number, since 2×40152636855² (a number of 22 digits) contains 22 as substring.

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 40152636855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40152636851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26242789 + ... + 26244318.

It is an arithmetic number, because the mean of its divisors is an integer number (3070495818).

Almost surely, 2^40152636855 is an apocalyptic number.

40152636855 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40152636855 is a deficient number, since it is larger than the sum of its proper divisors (33539262777).

40152636855 is a wasteful number, since it uses less digits than its factorization.

40152636855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52487135 (or 52487132 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 40152636855 in words is "forty billion, one hundred fifty-two million, six hundred thirty-six thousand, eight hundred fifty-five".