40191079050 has 144 divisors (see below), whose sum is σ = 113869229760. Its totient is φ = 10135134720.

The previous prime is 40191079043. The next prime is 40191079063. The reversal of 40191079050 is 5097019104.

It is a junction number, because it is equal to n+sod(n) for n = 40191078996 and 40191079014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5066187 + ... + 5074113.

It is an arithmetic number, because the mean of its divisors is an integer number (790758540).

Almost surely, 2^40191079050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40191079050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56934614880).

40191079050 is an abundant number, since it is smaller than the sum of its proper divisors (73678150710).

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

40191079050 is a wasteful number, since it uses less digits than its factorization.

40191079050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8557 (or 8549 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The spelling of 40191079050 in words is "forty billion, one hundred ninety-one million, seventy-nine thousand, fifty".