39708940955242 has 16 divisors (see below), whose sum is σ = 65102603543712. Its totient is φ = 18053663166000.

The previous prime is 39708940955237. The next prime is 39708940955249. The reversal of 39708940955242 is 24255904980793.

It is a Harshad number since it is a multiple of its sum of digits (67).

It is not an unprimeable number, because it can be changed into a prime (39708940955249) 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, 11397512884 + ... + 11397516367.

It is an arithmetic number, because the mean of its divisors is an integer number (4068912721482).

Almost surely, 2^{39708940955242} is an apocalyptic number.

39708940955242 is a deficient number, since it is larger than the sum of its proper divisors (25393662588470).

39708940955242 is a wasteful number, since it uses less digits than its factorization.

39708940955242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22795029333.

The product of its (nonzero) digits is 195955200, while the sum is 67.

The spelling of 39708940955242 in words is "thirty-nine trillion, seven hundred eight billion, nine hundred forty million, nine hundred fifty-five thousand, two hundred forty-two".