40089176232 has 128 divisors (see below), whose sum is σ = 117309772800. Its totient is φ = 11177607168.

The previous prime is 40089176207. The next prime is 40089176243. The reversal of 40089176232 is 23267198004.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12040744 + ... + 12044072.

It is an arithmetic number, because the mean of its divisors is an integer number (916482600).

Almost surely, 2^40089176232 is an apocalyptic number.

40089176232 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40089176232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58654886400).

40089176232 is an abundant number, since it is smaller than the sum of its proper divisors (77220596568).

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

40089176232 is a wasteful number, since it uses less digits than its factorization.

40089176232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5055 (or 5051 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 40089176232 in words is "forty billion, eighty-nine million, one hundred seventy-six thousand, two hundred thirty-two".