3923851405320 has 192 divisors, whose sum is σ = 15899242170240. Its totient is φ = 815345740800.

The previous prime is 3923851405283. The next prime is 3923851405337. The reversal of 3923851405320 is 235041583293.

3923851405320 is a `hidden beast` number, since 3 + 9 + 23 + 8 + 51 + 40 + 532 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 70748821 + ... + 70804260.

It is an arithmetic number, because the mean of its divisors is an integer number (82808552970).

Almost surely, 2^{3923851405320} is an apocalyptic number.

3923851405320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3923851405320 is an abundant number, since it is smaller than the sum of its proper divisors (11975390764920).

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

3923851405320 is a wasteful number, since it uses less digits than its factorization.

3923851405320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141553116 (or 141553109 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 3923851405320 in words is "three trillion, nine hundred twenty-three billion, eight hundred fifty-one million, four hundred five thousand, three hundred twenty".