40025424 has 40 divisors (see below), whose sum is σ = 103679872. Its totient is φ = 13305600.

The previous prime is 40025417. The next prime is 40025443. The reversal of 40025424 is 42452004.

It is a self number, because there is not a number n which added to its sum of digits gives 40025424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21324 + ... + 23124.

Almost surely, 2^40025424 is an apocalyptic number.

It is an amenable number.

40025424 is an abundant number, since it is smaller than the sum of its proper divisors (63654448).

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

40025424 is a wasteful number, since it uses less digits than its factorization.

40025424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2275 (or 2269 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 40025424 is about 6326.5649447390. The cubic root of 40025424 is about 342.0676313702.

Adding to 40025424 its reverse (42452004), we get a palindrome (82477428).

The spelling of 40025424 in words is "forty million, twenty-five thousand, four hundred twenty-four".