39502220494 has 32 divisors (see below), whose sum is σ = 65511711360. Its totient is φ = 17714676000.

The previous prime is 39502220473. The next prime is 39502220501. The reversal of 39502220494 is 49402220593.

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, 597417 + ... + 660235.

It is an arithmetic number, because the mean of its divisors is an integer number (2047240980).

Almost surely, 2^39502220494 is an apocalyptic number.

39502220494 is a deficient number, since it is larger than the sum of its proper divisors (26009490866).

39502220494 is a wasteful number, since it uses less digits than its factorization.

39502220494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63216.

The product of its (nonzero) digits is 155520, while the sum is 40.

Subtracting 39502220494 from its reverse (49402220593), we obtain a palindrome (9900000099).

The spelling of 39502220494 in words is "thirty-nine billion, five hundred two million, two hundred twenty thousand, four hundred ninety-four".