40402640536126 has 16 divisors (see below), whose sum is σ = 67019074964208. Its totient is φ = 18113263502400.

The previous prime is 40402640536117. The next prime is 40402640536201. The reversal of 40402640536126 is 62163504620404.

40402640536126 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40402640536126² (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 (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12578653605 + ... + 12578656816.

It is an arithmetic number, because the mean of its divisors is an integer number (4188692185263).

Almost surely, 2^{40402640536126} is an apocalyptic number.

40402640536126 is a deficient number, since it is larger than the sum of its proper divisors (26616434428082).

40402640536126 is a wasteful number, since it uses less digits than its factorization.

40402640536126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25157310507.

The product of its (nonzero) digits is 829440, while the sum is 43.

The spelling of 40402640536126 in words is "forty trillion, four hundred two billion, six hundred forty million, five hundred thirty-six thousand, one hundred twenty-six".