40519115780 has 96 divisors (see below), whose sum is σ = 100603883520. Its totient is φ = 13514042880.

The previous prime is 40519115773. The next prime is 40519115803. The reversal of 40519115780 is 8751191504.

It is a happy 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 31 ways as a sum of consecutive naturals, for example, 403901 + ... + 494139.

It is an arithmetic number, because the mean of its divisors is an integer number (1047957120).

Almost surely, 2^40519115780 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 40519115780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50301941760).

40519115780 is an abundant number, since it is smaller than the sum of its proper divisors (60084767740).

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

40519115780 is a wasteful number, since it uses less digits than its factorization.

40519115780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90429 (or 90427 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 41.

The spelling of 40519115780 in words is "forty billion, five hundred nineteen million, one hundred fifteen thousand, seven hundred eighty".