39509990330 has 16 divisors (see below), whose sum is σ = 71637094440. Its totient is φ = 15688637952.

The previous prime is 39509990281. The next prime is 39509990339. The reversal of 39509990330 is 3309990593.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 35503226929 + 4006763401 = 188423^2 + 63299^2 .

It is a super-2 number, since 2×39509990330² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (39509990339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14418335 + ... + 14421074.

Almost surely, 2^39509990330 is an apocalyptic number.

39509990330 is a deficient number, since it is larger than the sum of its proper divisors (32127104110).

39509990330 is a wasteful number, since it uses less digits than its factorization.

39509990330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28839553.

The product of its (nonzero) digits is 885735, while the sum is 50.

The spelling of 39509990330 in words is "thirty-nine billion, five hundred nine million, nine hundred ninety thousand, three hundred thirty".