40694278311 has 16 divisors (see below), whose sum is σ = 60427069920. Its totient is φ = 27066856320.

The previous prime is 40694278301. The next prime is 40694278379. The reversal of 40694278311 is 11387249604.

40694278311 is a `hidden beast` number, since 4 + 0 + 69 + 4 + 278 + 311 = 666.

40694278311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40694278311 - 2¹⁰ = 40694277287 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40694278301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1728720 + ... + 1752101.

It is an arithmetic number, because the mean of its divisors is an integer number (3776691870).

Almost surely, 2^40694278311 is an apocalyptic number.

40694278311 is a deficient number, since it is larger than the sum of its proper divisors (19732791609).

40694278311 is a wasteful number, since it uses less digits than its factorization.

40694278311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3481263 (or 3481257 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 40694278311 in words is "forty billion, six hundred ninety-four million, two hundred seventy-eight thousand, three hundred eleven".