39447269042 has 16 divisors (see below), whose sum is σ = 61897554432. Its totient is φ = 18819028800.

The previous prime is 39447269041. The next prime is 39447269063. The reversal of 39447269042 is 24096274493.

It is not an unprimeable number, because it can be changed into a prime (39447269041) 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, 1050818 + ... + 1087709.

It is an arithmetic number, because the mean of its divisors is an integer number (3868597152).

Almost surely, 2^39447269042 is an apocalyptic number.

39447269042 is a deficient number, since it is larger than the sum of its proper divisors (22450285390).

39447269042 is a wasteful number, since it uses less digits than its factorization.

39447269042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2138953.

The product of its (nonzero) digits is 2612736, while the sum is 50.

The spelling of 39447269042 in words is "thirty-nine billion, four hundred forty-seven million, two hundred sixty-nine thousand, forty-two".