3807140021028 has 96 divisors (see below), whose sum is σ = 10235549425920. Its totient is φ = 1222760136960.

The previous prime is 3807140021021. The next prime is 3807140021059. The reversal of 3807140021028 is 8201200417083.

3807140021028 is a `hidden beast` number, since 3 + 80 + 71 + 400 + 2 + 102 + 8 = 666.

3807140021028 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 (36).

It is a junction number, because it is equal to n+sod(n) for n = 3807140020983 and 3807140021001.

It is not an unprimeable number, because it can be changed into a prime (3807140021021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4213353 + ... + 5036528.

It is an arithmetic number, because the mean of its divisors is an integer number (106620306520).

Almost surely, 2^{3807140021028} is an apocalyptic number.

It is an amenable number.

3807140021028 is an abundant number, since it is smaller than the sum of its proper divisors (6428409404892).

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

3807140021028 is a wasteful number, since it uses less digits than its factorization.

3807140021028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9250034 (or 9250026 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The spelling of 3807140021028 in words is "three trillion, eight hundred seven billion, one hundred forty million, twenty-one thousand, twenty-eight".