40591847256 has 32 divisors (see below), whose sum is σ = 101619248640. Its totient is φ = 13511998368.

The previous prime is 40591847251. The next prime is 40591847279. The reversal of 40591847256 is 65274819504.

It is a super-3 number, since 3×40591847256³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40591847199 and 40591847208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40591847251) 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, 1145776 + ... + 1180671.

It is an arithmetic number, because the mean of its divisors is an integer number (3175601520).

Almost surely, 2^40591847256 is an apocalyptic number.

It is an amenable number.

40591847256 is an abundant number, since it is smaller than the sum of its proper divisors (61027401384).

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

40591847256 is a wasteful number, since it uses less digits than its factorization.

40591847256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2327183 (or 2327179 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 40591847256 in words is "forty billion, five hundred ninety-one million, eight hundred forty-seven thousand, two hundred fifty-six".