40179774011 has 8 divisors (see below), whose sum is σ = 43272819744. Its totient is φ = 37087056000.

The previous prime is 40179773987. The next prime is 40179774053. The reversal of 40179774011 is 11047797104.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 40179774011 - 2⁶ = 40179773947 is a prime.

It is a super-2 number, since 2×40179774011² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40179774011.

It is not an unprimeable number, because it can be changed into a prime (40179774071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211715 + ... + 353811.

It is an arithmetic number, because the mean of its divisors is an integer number (5409102468).

Almost surely, 2^40179774011 is an apocalyptic number.

40179774011 is a deficient number, since it is larger than the sum of its proper divisors (3093045733).

40179774011 is a wasteful number, since it uses less digits than its factorization.

40179774011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163861.

The product of its (nonzero) digits is 49392, while the sum is 41.

The spelling of 40179774011 in words is "forty billion, one hundred seventy-nine million, seven hundred seventy-four thousand, eleven".