3807138731428 has 12 divisors (see below), whose sum is σ = 6663120976512. Its totient is φ = 1903389881000.

The previous prime is 3807138731371. The next prime is 3807138731443. The reversal of 3807138731428 is 8241378317083.

It is a super-2 number, since 2×3807138731428² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44823448 + ... + 44908303.

It is an arithmetic number, because the mean of its divisors is an integer number (555260081376).

Almost surely, 2^{3807138731428} is an apocalyptic number.

It is an amenable number.

3807138731428 is a deficient number, since it is larger than the sum of its proper divisors (2855982245084).

3807138731428 is a wasteful number, since it uses less digits than its factorization.

3807138731428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89742362 (or 89742360 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 55.

The spelling of 3807138731428 in words is "three trillion, eight hundred seven billion, one hundred thirty-eight million, seven hundred thirty-one thousand, four hundred twenty-eight".