40993385278 has 8 divisors (see below), whose sum is σ = 61506403920. Its totient is φ = 20491250640.

The previous prime is 40993385197. The next prime is 40993385281. The reversal of 40993385278 is 87258339904.

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

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, 2711578 + ... + 2726653.

It is an arithmetic number, because the mean of its divisors is an integer number (7688300490).

Almost surely, 2^40993385278 is an apocalyptic number.

40993385278 is a deficient number, since it is larger than the sum of its proper divisors (20513018642).

40993385278 is a wasteful number, since it uses less digits than its factorization.

40993385278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5442002.

The product of its (nonzero) digits is 13063680, while the sum is 58.

The spelling of 40993385278 in words is "forty billion, nine hundred ninety-three million, three hundred eighty-five thousand, two hundred seventy-eight".