40201087806 has 40 divisors (see below), whose sum is σ = 98269330104. Its totient is φ = 12182147280.

The previous prime is 40201087799. The next prime is 40201087811. The reversal of 40201087806 is 60878010204.

It is a super-2 number, since 2×40201087806² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11277985 + ... + 11281548.

Almost surely, 2^40201087806 is an apocalyptic number.

40201087806 is an abundant number, since it is smaller than the sum of its proper divisors (58068242298).

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

40201087806 is a wasteful number, since it uses less digits than its factorization.

40201087806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22559558 (or 22559549 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The spelling of 40201087806 in words is "forty billion, two hundred one million, eighty-seven thousand, eight hundred six".