40140088856 has 64 divisors (see below), whose sum is σ = 89127751680. Its totient is φ = 16584474240.

The previous prime is 40140088847. The next prime is 40140088861. The reversal of 40140088856 is 65888004104.

It is a super-2 number, since 2×40140088856² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 412610 + ... + 500526.

It is an arithmetic number, because the mean of its divisors is an integer number (1392621120).

Almost surely, 2^40140088856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40140088856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44563875840).

40140088856 is an abundant number, since it is smaller than the sum of its proper divisors (48987662824).

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

40140088856 is a wasteful number, since it uses less digits than its factorization.

40140088856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88224 (or 88220 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 44.

The spelling of 40140088856 in words is "forty billion, one hundred forty million, eighty-eight thousand, eight hundred fifty-six".