3725380555920 has 480 divisors, whose sum is σ = 13373414046720. Its totient is φ = 927304519680.

The previous prime is 3725380555823. The next prime is 3725380555931. The reversal of 3725380555920 is 295550835273.

It is a happy number.

3725380555920 is a `hidden beast` number, since 3 + 7 + 2 + 5 + 3 + 80 + 5 + 559 + 2 + 0 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 826574307 + ... + 826578813.

It is an arithmetic number, because the mean of its divisors is an integer number (27861279264).

Almost surely, 2^{3725380555920} is an apocalyptic number.

3725380555920 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 3725380555920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6686707023360).

3725380555920 is an abundant number, since it is smaller than the sum of its proper divisors (9648033490800).

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

3725380555920 is a wasteful number, since it uses less digits than its factorization.

3725380555920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5863 (or 5854 counting only the distinct ones).

The product of its (nonzero) digits is 11340000, while the sum is 54.

The spelling of 3725380555920 in words is "three trillion, seven hundred twenty-five billion, three hundred eighty million, five hundred fifty-five thousand, nine hundred twenty".