40804680 has 128 divisors (see below), whose sum is σ = 144506880. Its totient is φ = 9020160.

The previous prime is 40804651. The next prime is 40804681. The reversal of 40804680 is 8640804.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (40804681) by changing a digit.

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, 25257 + ... + 26823.

It is an arithmetic number, because the mean of its divisors is an integer number (1128960).

Almost surely, 2^40804680 is an apocalyptic number.

40804680 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 40804680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72253440).

40804680 is an abundant number, since it is smaller than the sum of its proper divisors (103702200).

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

40804680 is a wasteful number, since it uses less digits than its factorization.

40804680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619 (or 1615 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 40804680 is about 6387.8540997740. The cubic root of 40804680 is about 344.2732865291.

The spelling of 40804680 in words is "forty million, eight hundred four thousand, six hundred eighty".