40126672896 has 156 divisors (see below), whose sum is σ = 111863569608. Its totient is φ = 12791939072.

The previous prime is 40126672853. The next prime is 40126672909. The reversal of 40126672896 is 69827662104.

It is a super-2 number, since 2×40126672896² (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 11 ways as a sum of consecutive naturals, for example, 6497266 + ... + 6503438.

Almost surely, 2^40126672896 is an apocalyptic number.

40126672896 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40126672896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55931784804).

40126672896 is an abundant number, since it is smaller than the sum of its proper divisors (71736896712).

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

40126672896 is an equidigital number, since it uses as much as digits as its factorization.

40126672896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6246 (or 6201 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 51.

The spelling of 40126672896 in words is "forty billion, one hundred twenty-six million, six hundred seventy-two thousand, eight hundred ninety-six".