63411144 has 32 divisors (see below), whose sum is σ = 158764320. Its totient is φ = 21105536.

The previous prime is 63411143. The next prime is 63411169. The reversal of 63411144 is 44111436.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (63411143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19027 + ... + 22109.

It is an arithmetic number, because the mean of its divisors is an integer number (4961385).

Almost surely, 2^63411144 is an apocalyptic number.

It is an amenable number.

63411144 is an abundant number, since it is smaller than the sum of its proper divisors (95353176).

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

63411144 is a wasteful number, since it uses less digits than its factorization.

With its successor (63411145) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (3949).

63411144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3949 (or 3945 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

The square root of 63411144 is about 7963.1114521900. Note that the first 3 decimals coincide. The cubic root of 63411144 is about 398.7694348222.

The spelling of 63411144 in words is "sixty-three million, four hundred eleven thousand, one hundred forty-four".