40794792878 has 32 divisors (see below), whose sum is σ = 73630425600. Its totient is φ = 16559753184.

The previous prime is 40794792839. The next prime is 40794792887. The reversal of 40794792878 is 87829749704.

It is a congruent number.

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, 1486376 + ... + 1513572.

It is an arithmetic number, because the mean of its divisors is an integer number (2300950800).

Almost surely, 2^40794792878 is an apocalyptic number.

40794792878 is a deficient number, since it is larger than the sum of its proper divisors (32835632722).

40794792878 is a wasteful number, since it uses less digits than its factorization.

40794792878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32864.

The product of its (nonzero) digits is 56899584, while the sum is 65.

The spelling of 40794792878 in words is "forty billion, seven hundred ninety-four million, seven hundred ninety-two thousand, eight hundred seventy-eight".