39761220928 has 224 divisors, whose sum is σ = 98807869440. Its totient is φ = 15614269440.

The previous prime is 39761220901. The next prime is 39761220937. The reversal of 39761220928 is 82902216793.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9891303 + ... + 9895321.

It is an arithmetic number, because the mean of its divisors is an integer number (441106560).

Almost surely, 2^39761220928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39761220928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49403934720).

39761220928 is an abundant number, since it is smaller than the sum of its proper divisors (59046648512).

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

39761220928 is a wasteful number, since it uses less digits than its factorization.

39761220928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4125 (or 4115 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 49.

The spelling of 39761220928 in words is "thirty-nine billion, seven hundred sixty-one million, two hundred twenty thousand, nine hundred twenty-eight".