40679088133 has 4 divisors (see below), whose sum is σ = 42081815340. Its totient is φ = 39276360928.

The previous prime is 40679088127. The next prime is 40679088173. The reversal of 40679088133 is 33188097604.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34439194084 + 6239894049 = 185578^2 + 78993^2 .

It is a cyclic number.

It is not a de Polignac number, because 40679088133 - 2⁹ = 40679087621 is a prime.

It is a super-2 number, since 2×40679088133² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40679088173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 701363560 + ... + 701363617.

It is an arithmetic number, because the mean of its divisors is an integer number (10520453835).

Almost surely, 2^40679088133 is an apocalyptic number.

It is an amenable number.

40679088133 is a deficient number, since it is larger than the sum of its proper divisors (1402727207).

40679088133 is a wasteful number, since it uses less digits than its factorization.

40679088133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402727206.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 40679088133 in words is "forty billion, six hundred seventy-nine million, eighty-eight thousand, one hundred thirty-three".