40804554 has 48 divisors (see below), whose sum is σ = 96985728. Its totient is φ = 11406528.

The previous prime is 40804531. The next prime is 40804567. The reversal of 40804554 is 45540804.

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, 12342 + ... + 15294.

It is an arithmetic number, because the mean of its divisors is an integer number (2020536).

Almost surely, 2^40804554 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40804554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48492864).

40804554 is an abundant number, since it is smaller than the sum of its proper divisors (56181174).

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

40804554 is a wasteful number, since it uses less digits than its factorization.

40804554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3019 (or 3012 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 40804554 is about 6387.8442372995. The cubic root of 40804554 is about 344.2729321704.

The spelling of 40804554 in words is "forty million, eight hundred four thousand, five hundred fifty-four".