39976681041 has 96 divisors (see below), whose sum is σ = 71299388160. Its totient is φ = 21278822400.

The previous prime is 39976681039. The next prime is 39976681057. The reversal of 39976681041 is 14018667993.

It is not a de Polignac number, because 39976681041 - 2¹ = 39976681039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39976681061) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1574475 + ... + 1599663.

It is an arithmetic number, because the mean of its divisors is an integer number (742701960).

Almost surely, 2^39976681041 is an apocalyptic number.

It is an amenable number.

39976681041 is a deficient number, since it is larger than the sum of its proper divisors (31322707119).

39976681041 is a wasteful number, since it uses less digits than its factorization.

39976681041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25287 (or 25284 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 39976681041 in words is "thirty-nine billion, nine hundred seventy-six million, six hundred eighty-one thousand, forty-one".