39440522 has 16 divisors (see below), whose sum is σ = 66765600. Its totient is φ = 17309040.

The previous prime is 39440509. The next prime is 39440537. The reversal of 39440522 is 22504493.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a pancake number, because a pancake can be divided into 39440522 parts by 8881 straight cuts.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30272 + ... + 31547.

It is an arithmetic number, because the mean of its divisors is an integer number (4172850).

Almost surely, 2^39440522 is an apocalyptic number.

39440522 is a deficient number, since it is larger than the sum of its proper divisors (27325078).

39440522 is a wasteful number, since it uses less digits than its factorization.

39440522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61861.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 39440522 is about 6280.1689467721. The cubic root of 39440522 is about 340.3932071370.

The spelling of 39440522 in words is "thirty-nine million, four hundred forty thousand, five hundred twenty-two".