39399428486 has 32 divisors (see below), whose sum is σ = 66752971776. Its totient is φ = 17278668000.

The previous prime is 39399428473. The next prime is 39399428491. The reversal of 39399428486 is 68482499393.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138476 + ... + 313008.

It is an arithmetic number, because the mean of its divisors is an integer number (2086030368).

Almost surely, 2^39399428486 is an apocalyptic number.

39399428486 is a deficient number, since it is larger than the sum of its proper divisors (27353543290).

39399428486 is a wasteful number, since it uses less digits than its factorization.

39399428486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174908.

The product of its digits is 80621568, while the sum is 65.

The spelling of 39399428486 in words is "thirty-nine billion, three hundred ninety-nine million, four hundred twenty-eight thousand, four hundred eighty-six".