40120232 has 16 divisors (see below), whose sum is σ = 75610260. Its totient is φ = 19957504.

The previous prime is 40120219. The next prime is 40120259. The reversal of 40120232 is 23202104.

It can be written as a sum of positive squares in 2 ways, for example, as 40119556 + 676 = 6334^2 + 26^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11153 + ... + 14304.

Almost surely, 2^40120232 is an apocalyptic number.

It is an amenable number.

40120232 is a deficient number, since it is larger than the sum of its proper divisors (35490028).

40120232 is a wasteful number, since it uses less digits than its factorization.

40120232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25660 (or 25656 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 40120232 is about 6334.0533625791. The cubic root of 40120232 is about 342.3375029687.

Adding to 40120232 its reverse (23202104), we get a palindrome (63322336).

The spelling of 40120232 in words is "forty million, one hundred twenty thousand, two hundred thirty-two".