40492175388 has 96 divisors (see below), whose sum is σ = 109053579264. Its totient is φ = 11454524928.

The previous prime is 40492175267. The next prime is 40492175389. The reversal of 40492175388 is 88357129404.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 40492175388.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40492175389) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4564245 + ... + 4573107.

It is an arithmetic number, because the mean of its divisors is an integer number (1135974784).

Almost surely, 2^40492175388 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 40492175388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54526789632).

40492175388 is an abundant number, since it is smaller than the sum of its proper divisors (68561403876).

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

40492175388 is a wasteful number, since it uses less digits than its factorization.

40492175388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9411 (or 9409 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 40492175388 in words is "forty billion, four hundred ninety-two million, one hundred seventy-five thousand, three hundred eighty-eight".