39450274690 has 24 divisors (see below), whose sum is σ = 72086253372. Its totient is φ = 15544568160.

The previous prime is 39450274673. The next prime is 39450274691. The reversal of 39450274690 is 9647205493.

It can be written as a sum of positive squares in 2 ways, for example, as 37934963361 + 1515311329 = 194769^2 + 38927^2 .

It is a super-2 number, since 2×39450274690² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (39450274691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 394521 + ... + 484300.

Almost surely, 2^39450274690 is an apocalyptic number.

39450274690 is a deficient number, since it is larger than the sum of its proper divisors (32635978682).

39450274690 is an equidigital number, since it uses as much as digits as its factorization.

39450274690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878962 (or 878895 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 49.

The spelling of 39450274690 in words is "thirty-nine billion, four hundred fifty million, two hundred seventy-four thousand, six hundred ninety".