39045970456 has 8 divisors (see below), whose sum is σ = 73211194620. Its totient is φ = 19522985224.

The previous prime is 39045970421. The next prime is 39045970459. The reversal of 39045970456 is 65407954093.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39045970459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2440373146 + ... + 2440373161.

Almost surely, 2^39045970456 is an apocalyptic number.

It is an amenable number.

39045970456 is a deficient number, since it is larger than the sum of its proper divisors (34165224164).

39045970456 is a wasteful number, since it uses less digits than its factorization.

39045970456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4880746313 (or 4880746309 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 52.

The spelling of 39045970456 in words is "thirty-nine billion, forty-five million, nine hundred seventy thousand, four hundred fifty-six".