3781363256 has 24 divisors (see below), whose sum is σ = 7793204160. Its totient is φ = 1718801040.

The previous prime is 3781363253. The next prime is 3781363301. The reversal of 3781363256 is 6523631873.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3781363253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1952216 + ... + 1954151.

It is an arithmetic number, because the mean of its divisors is an integer number (324716840).

Almost surely, 2^3781363256 is an apocalyptic number.

It is an amenable number.

3781363256 is an abundant number, since it is smaller than the sum of its proper divisors (4011840904).

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

3781363256 is a wasteful number, since it uses less digits than its factorization.

3781363256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3906395 (or 3906380 counting only the distinct ones).

The product of its digits is 544320, while the sum is 44.

The square root of 3781363256 is about 61492.7902765845. The cubic root of 3781363256 is about 1557.9354752096.

The spelling of 3781363256 in words is "three billion, seven hundred eighty-one million, three hundred sixty-three thousand, two hundred fifty-six".