38440502 has 16 divisors (see below), whose sum is σ = 61190640. Its totient is φ = 18048768.

The previous prime is 38440489. The next prime is 38440511. The reversal of 38440502 is 20504483.

It is a zygodrome in base 3.

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, 18353 + ... + 20339.

It is an arithmetic number, because the mean of its divisors is an integer number (3824415).

Almost surely, 2^38440502 is an apocalyptic number.

38440502 is a deficient number, since it is larger than the sum of its proper divisors (22750138).

38440502 is a wasteful number, since it uses less digits than its factorization.

38440502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2575.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 38440502 is about 6200.0404837388. The cubic root of 38440502 is about 337.4916380187.

Adding to 38440502 its reverse (20504483), we get a palindrome (58944985).

The spelling of 38440502 in words is "thirty-eight million, four hundred forty thousand, five hundred two".