40126456695 has 24 divisors (see below), whose sum is σ = 69520871376. Its totient is φ = 19754562048.

The previous prime is 40126456693. The next prime is 40126456717. The reversal of 40126456695 is 59665462104.

It is not a de Polignac number, because 40126456695 - 2¹ = 40126456693 is a prime.

It is a super-2 number, since 2×40126456695² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40126456693) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7911954 + ... + 7917023.

It is an arithmetic number, because the mean of its divisors is an integer number (2896702974).

Almost surely, 2^40126456695 is an apocalyptic number.

40126456695 is a deficient number, since it is larger than the sum of its proper divisors (29394414681).

40126456695 is a wasteful number, since it uses less digits than its factorization.

40126456695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15829011 (or 15828998 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 40126456695 in words is "forty billion, one hundred twenty-six million, four hundred fifty-six thousand, six hundred ninety-five".