40115789802 has 96 divisors (see below), whose sum is σ = 104149393920. Its totient is φ = 11015753760.

The previous prime is 40115789801. The next prime is 40115789809. The reversal of 40115789802 is 20898751104.

40115789802 is a `hidden beast` number, since 401 + 157 + 8 + 98 + 0 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (40115789801) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 145288 + ... + 318339.

It is an arithmetic number, because the mean of its divisors is an integer number (1084889520).

Almost surely, 2^40115789802 is an apocalyptic number.

40115789802 is an abundant number, since it is smaller than the sum of its proper divisors (64033604118).

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

40115789802 is a wasteful number, since it uses less digits than its factorization.

40115789802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463688 (or 463685 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The spelling of 40115789802 in words is "forty billion, one hundred fifteen million, seven hundred eighty-nine thousand, eight hundred two".