63044340 has 24 divisors (see below), whose sum is σ = 176524320. Its totient is φ = 16811808.

The previous prime is 63044323. The next prime is 63044341. The reversal of 63044340 is 4344036.

It is a self number, because there is not a number n which added to its sum of digits gives 63044340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63044341) 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, 525310 + ... + 525429.

It is an arithmetic number, because the mean of its divisors is an integer number (7355180).

Almost surely, 2^63044340 is an apocalyptic number.

63044340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63044340 is an abundant number, since it is smaller than the sum of its proper divisors (113479980).

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

63044340 is a wasteful number, since it uses less digits than its factorization.

63044340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050751 (or 1050749 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 63044340 is about 7940.0465993595. The cubic root of 63044340 is about 397.9990488433. Note that the first 3 decimals are identical.

Adding to 63044340 its reverse (4344036), we get a palindrome (67388376).

The spelling of 63044340 in words is "sixty-three million, forty-four thousand, three hundred forty".