40559290452 has 72 divisors (see below), whose sum is σ = 104508855360. Its totient is φ = 13260119040.

The previous prime is 40559290439. The next prime is 40559290477. The reversal of 40559290452 is 25409295504.

40559290452 is a `hidden beast` number, since 4 + 0 + 5 + 592 + 9 + 0 + 4 + 52 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 40559290398 and 40559290407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 452199 + ... + 534417.

It is an arithmetic number, because the mean of its divisors is an integer number (1451511880).

Almost surely, 2^40559290452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40559290452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52254427680).

40559290452 is an abundant number, since it is smaller than the sum of its proper divisors (63949564908).

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

40559290452 is a wasteful number, since it uses less digits than its factorization.

40559290452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82493 (or 82488 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 40559290452 in words is "forty billion, five hundred fifty-nine million, two hundred ninety thousand, four hundred fifty-two".