39925906020 has 1152 divisors, whose sum is σ = 175061053440. Its totient is φ = 7367915520.

The previous prime is 39925906001. The next prime is 39925906021. The reversal of 39925906020 is 2060952993.

39925906020 is a `hidden beast` number, since 39 + 9 + 2 + 5 + 9 + 0 + 602 + 0 = 666.

39925906020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (39925906021) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 141080799 + ... + 141081081.

It is an arithmetic number, because the mean of its divisors is an integer number (151962720).

Almost surely, 2^39925906020 is an apocalyptic number.

39925906020 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 39925906020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87530526720).

39925906020 is an abundant number, since it is smaller than the sum of its proper divisors (135135147420).

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

39925906020 is a wasteful number, since it uses less digits than its factorization.

39925906020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367 (or 353 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 45.

The spelling of 39925906020 in words is "thirty-nine billion, nine hundred twenty-five million, nine hundred six thousand, twenty".