40604424 has 64 divisors (see below), whose sum is σ = 117210240. Its totient is φ = 11481600.

The previous prime is 40604423. The next prime is 40604477. The reversal of 40604424 is 42440604.

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

It is a junction number, because it is equal to n+sod(n) for n = 40604394 and 40604403.

It is not an unprimeable number, because it can be changed into a prime (40604423) 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 15 ways as a sum of consecutive naturals, for example, 15772 + ... + 18164.

It is an arithmetic number, because the mean of its divisors is an integer number (1831410).

Almost surely, 2^40604424 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 40604424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58605120).

40604424 is an abundant number, since it is smaller than the sum of its proper divisors (76605816).

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

40604424 is a wasteful number, since it uses less digits than its factorization.

40604424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2510 (or 2506 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 40604424 is about 6372.1600733189. The cubic root of 40604424 is about 343.7091691889.

The spelling of 40604424 in words is "forty million, six hundred four thousand, four hundred twenty-four".