3851476440 has 96 divisors (see below), whose sum is σ = 13440887280. Its totient is φ = 880336128.

The previous prime is 3851476427. The next prime is 3851476507. The reversal of 3851476440 is 446741583.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 3851476392 and 3851476401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 321627 + ... + 333386.

Almost surely, 2^3851476440 is an apocalyptic number.

3851476440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3851476440 is an abundant number, since it is smaller than the sum of its proper divisors (9589410840).

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

3851476440 is a wasteful number, since it uses less digits than its factorization.

3851476440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655041 (or 655030 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 42.

The square root of 3851476440 is about 62060.2645820979. The cubic root of 3851476440 is about 1567.5055307350.

The spelling of 3851476440 in words is "three billion, eight hundred fifty-one million, four hundred seventy-six thousand, four hundred forty".