40908976686 has 48 divisors (see below), whose sum is σ = 88991960928. Its totient is φ = 13581691200.

The previous prime is 40908976663. The next prime is 40908976709. The reversal of 40908976686 is 68667980904.

40908976686 is a `hidden beast` number, since 409 + 0 + 8 + 97 + 66 + 86 = 666.

40908976686 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40908976663) and next prime (40908976709).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5004975 + ... + 5013141.

It is an arithmetic number, because the mean of its divisors is an integer number (1853999186).

Almost surely, 2^40908976686 is an apocalyptic number.

40908976686 is an abundant number, since it is smaller than the sum of its proper divisors (48082984242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40908976686 is a wasteful number, since it uses less digits than its factorization.

40908976686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9257 (or 9254 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 63.

The spelling of 40908976686 in words is "forty billion, nine hundred eight million, nine hundred seventy-six thousand, six hundred eighty-six".