40426584726 has 96 divisors (see below), whose sum is σ = 91426132224. Its totient is φ = 11899483200.

The previous prime is 40426584683. The next prime is 40426584797. The reversal of 40426584726 is 62748562404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26404581 + ... + 26406111.

It is an arithmetic number, because the mean of its divisors is an integer number (952355544).

Almost surely, 2^40426584726 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40426584726, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45713066112).

40426584726 is an abundant number, since it is smaller than the sum of its proper divisors (50999547498).

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

40426584726 is a wasteful number, since it uses less digits than its factorization.

40426584726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2578 (or 2567 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 48.

The spelling of 40426584726 in words is "forty billion, four hundred twenty-six million, five hundred eighty-four thousand, seven hundred twenty-six".