39214064640 has 176 divisors, whose sum is σ = 125842354560. Its totient is φ = 10422190080.

The previous prime is 39214064633. The next prime is 39214064651. The reversal of 39214064640 is 4646041293.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4772856 + ... + 4781064.

Almost surely, 2^39214064640 is an apocalyptic number.

39214064640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39214064640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62921177280).

39214064640 is an abundant number, since it is smaller than the sum of its proper divisors (86628289920).

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

39214064640 is a wasteful number, since it uses less digits than its factorization.

39214064640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8548 (or 8530 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 39.

The spelling of 39214064640 in words is "thirty-nine billion, two hundred fourteen million, sixty-four thousand, six hundred forty".