40990524064 has 96 divisors (see below), whose sum is σ = 93136490496. Its totient is φ = 17395015680.

The previous prime is 40990524041. The next prime is 40990524079. The reversal of 40990524064 is 46042509904.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 40990524064.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19144434 + ... + 19146574.

It is an arithmetic number, because the mean of its divisors is an integer number (970171776).

Almost surely, 2^40990524064 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 40990524064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46568245248).

40990524064 is an abundant number, since it is smaller than the sum of its proper divisors (52145966432).

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

40990524064 is a wasteful number, since it uses less digits than its factorization.

40990524064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2958 (or 2950 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 40990524064 in words is "forty billion, nine hundred ninety million, five hundred twenty-four thousand, sixty-four".