40135446888 has 16 divisors (see below), whose sum is σ = 100338617280. Its totient is φ = 13378482288.

The previous prime is 40135446833. The next prime is 40135446889. The reversal of 40135446888 is 88864453104.

It is a super-2 number, since 2×40135446888² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40135446888.

It is not an unprimeable number, because it can be changed into a prime (40135446889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 836155120 + ... + 836155167.

It is an arithmetic number, because the mean of its divisors is an integer number (6271163580).

Almost surely, 2^40135446888 is an apocalyptic number.

It is an amenable number.

40135446888 is an abundant number, since it is smaller than the sum of its proper divisors (60203170392).

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

40135446888 is a wasteful number, since it uses less digits than its factorization.

40135446888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672310296 (or 1672310292 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 51.

The spelling of 40135446888 in words is "forty billion, one hundred thirty-five million, four hundred forty-six thousand, eight hundred eighty-eight".