40906304687 has 8 divisors (see below), whose sum is σ = 41584176816. Its totient is φ = 40230412992.

The previous prime is 40906304669. The next prime is 40906304713. The reversal of 40906304687 is 78640360904.

40906304687 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 40906304687 - 2⁸ = 40906304431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40906324687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453428 + ... + 536105.

It is an arithmetic number, because the mean of its divisors is an integer number (5198022102).

Almost surely, 2^40906304687 is an apocalyptic number.

40906304687 is a deficient number, since it is larger than the sum of its proper divisors (677872129).

40906304687 is an equidigital number, since it uses as much as digits as its factorization.

40906304687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990217.

The product of its (nonzero) digits is 870912, while the sum is 47.

The spelling of 40906304687 in words is "forty billion, nine hundred six million, three hundred four thousand, six hundred eighty-seven".