40915633619 has 24 divisors (see below), whose sum is σ = 51716966400. Its totient is φ = 32152937040.

The previous prime is 40915633613. The next prime is 40915633621. The reversal of 40915633619 is 91633651904.

It is a de Polignac number, because none of the positive numbers 2^k-40915633619 is a prime.

It is a super-2 number, since 2×40915633619² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40915633613) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 679979 + ... + 737700.

It is an arithmetic number, because the mean of its divisors is an integer number (2154873600).

Almost surely, 2^40915633619 is an apocalyptic number.

40915633619 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

40915633619 is a deficient number, since it is larger than the sum of its proper divisors (10801332781).

40915633619 is a wasteful number, since it uses less digits than its factorization.

40915633619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417743 (or 1417736 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 47.

The spelling of 40915633619 in words is "forty billion, nine hundred fifteen million, six hundred thirty-three thousand, six hundred nineteen".