40231244 has 12 divisors (see below), whose sum is σ = 70647024. Its totient is φ = 20046384.

The previous prime is 40231237. The next prime is 40231253. The reversal of 40231244 is 44213204.

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, 15992 + ... + 18335.

It is an arithmetic number, because the mean of its divisors is an integer number (5887252).

Almost surely, 2^40231244 is an apocalyptic number.

It is an amenable number.

40231244 is a deficient number, since it is larger than the sum of its proper divisors (30415780).

40231244 is a wasteful number, since it uses less digits than its factorization.

40231244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34624 (or 34622 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 40231244 is about 6342.8104181033. The cubic root of 40231244 is about 342.6529595436.

Adding to 40231244 its reverse (44213204), we get a palindrome (84444448).

The spelling of 40231244 in words is "forty million, two hundred thirty-one thousand, two hundred forty-four".