40844759358 has 64 divisors (see below), whose sum is σ = 90171551232. Its totient is φ = 12257308800.

The previous prime is 40844759341. The next prime is 40844759393. The reversal of 40844759358 is 85395744804.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40844759298 and 40844759307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 489135 + ... + 566517.

It is an arithmetic number, because the mean of its divisors is an integer number (1408930488).

Almost surely, 2^40844759358 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40844759358, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45085775616).

40844759358 is an abundant number, since it is smaller than the sum of its proper divisors (49326791874).

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

40844759358 is a wasteful number, since it uses less digits than its factorization.

40844759358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77569.

The product of its (nonzero) digits is 19353600, while the sum is 57.

The spelling of 40844759358 in words is "forty billion, eight hundred forty-four million, seven hundred fifty-nine thousand, three hundred fifty-eight".