76240440042 has 64 divisors (see below), whose sum is σ = 165945435264. Its totient is φ = 23211014400.

The previous prime is 76240440013. The next prime is 76240440049. The reversal of 76240440042 is 24004404267.

It is a junction number, because it is equal to n+sod(n) for n = 76240439985 and 76240440012.

It is not an unprimeable number, because it can be changed into a prime (76240440049) 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, 19511853 + ... + 19515759.

It is an arithmetic number, because the mean of its divisors is an integer number (2592897426).

Almost surely, 2^76240440042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76240440042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82972717632).

76240440042 is an abundant number, since it is smaller than the sum of its proper divisors (89704995222).

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

76240440042 is a wasteful number, since it uses less digits than its factorization.

76240440042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6503.

The product of its (nonzero) digits is 43008, while the sum is 33.

The spelling of 76240440042 in words is "seventy-six billion, two hundred forty million, four hundred forty thousand, forty-two".