3863355840 has 84 divisors (see below), whose sum is σ = 13288344264. Its totient is φ = 1030227456.

The previous prime is 3863355817. The next prime is 3863355857. The reversal of 3863355840 is 485533683.

3863355840 is a `hidden beast` number, since 3 + 8 + 63 + 3 + 5 + 584 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 667842 + ... + 673601.

Almost surely, 2^3863355840 is an apocalyptic number.

3863355840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3863355840 is an abundant number, since it is smaller than the sum of its proper divisors (9424988424).

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

3863355840 is a wasteful number, since it uses less digits than its factorization.

3863355840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341466 (or 1341453 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The square root of 3863355840 is about 62155.8994786497. The cubic root of 3863355840 is about 1569.1154685934.

The spelling of 3863355840 in words is "three billion, eight hundred sixty-three million, three hundred fifty-five thousand, eight hundred forty".