40156691562670 has 16 divisors (see below), whose sum is σ = 72299040432480. Its totient is φ = 16058899820704.

The previous prime is 40156691562571. The next prime is 40156691562749. The reversal of 40156691562670 is 7626519665104.

It is a super-2 number, since 2×40156691562670² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 472055890 + ... + 472140949.

It is an arithmetic number, because the mean of its divisors is an integer number (4518690027030).

Almost surely, 2^{40156691562670} is an apocalyptic number.

40156691562670 is a deficient number, since it is larger than the sum of its proper divisors (32142348869810).

40156691562670 is a wasteful number, since it uses less digits than its factorization.

40156691562670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944201099.

The product of its (nonzero) digits is 16329600, while the sum is 58.

The spelling of 40156691562670 in words is "forty trillion, one hundred fifty-six billion, six hundred ninety-one million, five hundred sixty-two thousand, six hundred seventy".