40879415782 has 8 divisors (see below), whose sum is σ = 61320669336. Its totient is φ = 20439192672.

The previous prime is 40879415771. The next prime is 40879415803. The reversal of 40879415782 is 28751497804.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×40879415782² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149328 + ... + 322579.

It is an arithmetic number, because the mean of its divisors is an integer number (7665083667).

Almost surely, 2^40879415782 is an apocalyptic number.

40879415782 is a deficient number, since it is larger than the sum of its proper divisors (20441253554).

40879415782 is a wasteful number, since it uses less digits than its factorization.

40879415782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515222.

The product of its (nonzero) digits is 4515840, while the sum is 55.

The spelling of 40879415782 in words is "forty billion, eight hundred seventy-nine million, four hundred fifteen thousand, seven hundred eighty-two".