40697122986 has 24 divisors (see below), whose sum is σ = 94959954180. Its totient is φ = 12522191616.

The previous prime is 40697122957. The next prime is 40697123029. The reversal of 40697122986 is 68922179604.

40697122986 is a `hidden beast` number, since 406 + 9 + 7 + 1 + 229 + 8 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 37415551761 + 3281571225 = 193431^2 + 57285^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86959431 + ... + 86959898.

Almost surely, 2^40697122986 is an apocalyptic number.

40697122986 is an abundant number, since it is smaller than the sum of its proper divisors (54262831194).

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

40697122986 is a wasteful number, since it uses less digits than its factorization.

40697122986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173919350 (or 173919347 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 40697122986 in words is "forty billion, six hundred ninety-seven million, one hundred twenty-two thousand, nine hundred eighty-six".