39440372 has 12 divisors (see below), whose sum is σ = 70886340. Its totient is φ = 19187136.

The previous prime is 39440369. The next prime is 39440393. The reversal of 39440372 is 27304493.

It can be written as a sum of positive squares in 2 ways, for example, as 26666896 + 12773476 = 5164^2 + 3574^2 .

It is a congruent number.

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, 133097 + ... + 133392.

It is an arithmetic number, because the mean of its divisors is an integer number (5907195).

Almost surely, 2^39440372 is an apocalyptic number.

It is an amenable number.

39440372 is a deficient number, since it is larger than the sum of its proper divisors (31445968).

39440372 is a wasteful number, since it uses less digits than its factorization.

39440372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266530 (or 266528 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 39440372 is about 6280.1570044068. The cubic root of 39440372 is about 340.3927756092.

The spelling of 39440372 in words is "thirty-nine million, four hundred forty thousand, three hundred seventy-two".