40126664553 has 8 divisors (see below), whose sum is σ = 54379305216. Its totient is φ = 26312566800.

The previous prime is 40126664549. The next prime is 40126664563. The reversal of 40126664553 is 35546662104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40126664553 - 2² = 40126664549 is a prime.

It is a super-2 number, since 2×40126664553² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40126664563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109635513 + ... + 109635878.

It is an arithmetic number, because the mean of its divisors is an integer number (6797413152).

Almost surely, 2^40126664553 is an apocalyptic number.

It is an amenable number.

40126664553 is a deficient number, since it is larger than the sum of its proper divisors (14252640663).

40126664553 is a wasteful number, since it uses less digits than its factorization.

40126664553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219271455.

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 40126664553 in words is "forty billion, one hundred twenty-six million, six hundred sixty-four thousand, five hundred fifty-three".