3818953062540 has 384 divisors, whose sum is σ = 14816117514240. Its totient is φ = 793376812800.

The previous prime is 3818953062511. The next prime is 3818953062581. The reversal of 3818953062540 is 452603598183.

3818953062540 is a `hidden beast` number, since 3 + 8 + 1 + 8 + 9 + 5 + 3 + 0 + 625 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 302820835 + ... + 302833445.

It is an arithmetic number, because the mean of its divisors is an integer number (38583639360).

Almost surely, 2^{3818953062540} is an apocalyptic number.

3818953062540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3818953062540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7408058757120).

3818953062540 is an abundant number, since it is smaller than the sum of its proper divisors (10997164451700).

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

3818953062540 is a wasteful number, since it uses less digits than its factorization.

3818953062540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19930 (or 19922 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 54.

The spelling of 3818953062540 in words is "three trillion, eight hundred eighteen billion, nine hundred fifty-three million, sixty-two thousand, five hundred forty".