40259598834 has 96 divisors (see below), whose sum is σ = 100993628736. Its totient is φ = 10604926080.

The previous prime is 40259598833. The next prime is 40259598859. The reversal of 40259598834 is 43889595204.

It is a super-2 number, since 2×40259598834² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40259598833) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3345889 + ... + 3357899.

It is an arithmetic number, because the mean of its divisors is an integer number (1052016966).

Almost surely, 2^40259598834 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40259598834, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50496814368).

40259598834 is an abundant number, since it is smaller than the sum of its proper divisors (60734029902).

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

40259598834 is a wasteful number, since it uses less digits than its factorization.

40259598834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12920 (or 12913 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 57.

The spelling of 40259598834 in words is "forty billion, two hundred fifty-nine million, five hundred ninety-eight thousand, eight hundred thirty-four".