40024430 has 16 divisors (see below), whose sum is σ = 72596304. Its totient is φ = 15887040.

The previous prime is 40024423. The next prime is 40024433. The reversal of 40024430 is 3442004.

It is a junction number, because it is equal to n+sod(n) for n = 40024399 and 40024408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40024433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13967 + ... + 16586.

It is an arithmetic number, because the mean of its divisors is an integer number (4537269).

Almost surely, 2^40024430 is an apocalyptic number.

40024430 is a deficient number, since it is larger than the sum of its proper divisors (32571874).

40024430 is a wasteful number, since it uses less digits than its factorization.

40024430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30691.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 40024430 is about 6326.4863866130. The cubic root of 40024430 is about 342.0647996864.

Adding to 40024430 its reverse (3442004), we get a palindrome (43466434).

The spelling of 40024430 in words is "forty million, twenty-four thousand, four hundred thirty".