40819424 has 24 divisors (see below), whose sum is σ = 80958528. Its totient is φ = 20258560.

The previous prime is 40819423. The next prime is 40819447. The reversal of 40819424 is 42491804.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40819421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272 + ... + 9039.

It is an arithmetic number, because the mean of its divisors is an integer number (3373272).

Almost surely, 2^40819424 is an apocalyptic number.

It is an amenable number.

40819424 is a deficient number, since it is larger than the sum of its proper divisors (40139104).

40819424 is a wasteful number, since it uses less digits than its factorization.

40819424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9458 (or 9450 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 40819424 is about 6389.0080607243. The cubic root of 40819424 is about 344.3147470845.

The spelling of 40819424 in words is "forty million, eight hundred nineteen thousand, four hundred twenty-four".