39730652646 has 16 divisors (see below), whose sum is σ = 80418671424. Its totient is φ = 13083989864.

The previous prime is 39730652627. The next prime is 39730652653. The reversal of 39730652646 is 64625603793.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39889716 + ... + 39890711.

It is an arithmetic number, because the mean of its divisors is an integer number (5026166964).

Almost surely, 2^39730652646 is an apocalyptic number.

39730652646 is an abundant number, since it is smaller than the sum of its proper divisors (40688018778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39730652646 is a wasteful number, since it uses less digits than its factorization.

39730652646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79780515.

The product of its (nonzero) digits is 4898880, while the sum is 51.

The spelling of 39730652646 in words is "thirty-nine billion, seven hundred thirty million, six hundred fifty-two thousand, six hundred forty-six".