40120024 has 32 divisors (see below), whose sum is σ = 87732000. Its totient is φ = 17193120.

The previous prime is 40120009. The next prime is 40120033. The reversal of 40120024 is 42002104.

It is a junction number, because it is equal to n+sod(n) for n = 40119986 and 40120013.

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, 4567 + ... + 10054.

It is an arithmetic number, because the mean of its divisors is an integer number (2741625).

Almost surely, 2^40120024 is an apocalyptic number.

It is an amenable number.

40120024 is an abundant number, since it is smaller than the sum of its proper divisors (47611976).

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

40120024 is a wasteful number, since it uses less digits than its factorization.

40120024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14648 (or 14630 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 40120024 is about 6334.0369433719. The cubic root of 40120024 is about 342.3369113609.

Adding to 40120024 its reverse (42002104), we get a palindrome (82122128).

The spelling of 40120024 in words is "forty million, one hundred twenty thousand, twenty-four".