40237981294 has 16 divisors (see below), whose sum is σ = 69288726528. Its totient is φ = 17167516632.

The previous prime is 40237981271. The next prime is 40237981331. The reversal of 40237981294 is 49218973204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6441142 + ... + 6447385.

It is an arithmetic number, because the mean of its divisors is an integer number (4330545408).

Almost surely, 2^40237981294 is an apocalyptic number.

40237981294 is a deficient number, since it is larger than the sum of its proper divisors (29050745234).

40237981294 is a wasteful number, since it uses less digits than its factorization.

40237981294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12888759.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 40237981294 in words is "forty billion, two hundred thirty-seven million, nine hundred eighty-one thousand, two hundred ninety-four".