40260992878 has 8 divisors (see below), whose sum is σ = 60977814768. Its totient is φ = 19935054624.

The previous prime is 40260992869. The next prime is 40260992879. The reversal of 40260992878 is 87829906204.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40260992879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97720651 + ... + 97721062.

It is an arithmetic number, because the mean of its divisors is an integer number (7622226846).

Almost surely, 2^40260992878 is an apocalyptic number.

40260992878 is a deficient number, since it is larger than the sum of its proper divisors (20716821890).

40260992878 is a wasteful number, since it uses less digits than its factorization.

40260992878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195441818.

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 40260992878 in words is "forty billion, two hundred sixty million, nine hundred ninety-two thousand, eight hundred seventy-eight".