39620480 has 64 divisors (see below), whose sum is σ = 97822080. Its totient is φ = 15329280.

The previous prime is 39620461. The next prime is 39620509. The reversal of 39620480 is 8402693.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 18842 + ... + 20838.

It is an arithmetic number, because the mean of its divisors is an integer number (1528470).

Almost surely, 2^39620480 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 39620480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48911040).

39620480 is an abundant number, since it is smaller than the sum of its proper divisors (58201600).

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

39620480 is a wasteful number, since it uses less digits than its factorization.

39620480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2047 (or 2035 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 39620480 is about 6294.4801215033. The cubic root of 39620480 is about 340.9101336103.

The spelling of 39620480 in words is "thirty-nine million, six hundred twenty thousand, four hundred eighty".