40219999976 has 64 divisors (see below), whose sum is σ = 85533806400. Its totient is φ = 17576621568.

The previous prime is 40219999901. The next prime is 40219999993. The reversal of 40219999976 is 67999991204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4692671 + ... + 4701233.

It is an arithmetic number, because the mean of its divisors is an integer number (1336465725).

Almost surely, 2^40219999976 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 40219999976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42766903200).

40219999976 is an abundant number, since it is smaller than the sum of its proper divisors (45313806424).

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

40219999976 is a wasteful number, since it uses less digits than its factorization.

40219999976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10978 (or 10974 counting only the distinct ones).

The product of its (nonzero) digits is 19840464, while the sum is 65.

The spelling of 40219999976 in words is "forty billion, two hundred nineteen million, nine hundred ninety-nine thousand, nine hundred seventy-six".