40804521000 has 128 divisors (see below), whose sum is σ = 127472866560. Its totient is φ = 10867296000.

The previous prime is 40804520989. The next prime is 40804521029. The reversal of 40804521000 is 12540804.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2454717 + ... + 2471283.

It is an arithmetic number, because the mean of its divisors is an integer number (995881770).

Almost surely, 2^40804521000 is an apocalyptic number.

40804521000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40804521000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63736433280).

40804521000 is an abundant number, since it is smaller than the sum of its proper divisors (86668345560).

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

40804521000 is a wasteful number, since it uses less digits than its factorization.

40804521000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17412 (or 17398 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The spelling of 40804521000 in words is "forty billion, eight hundred four million, five hundred twenty-one thousand".