63044940 has 48 divisors (see below), whose sum is σ = 201745152. Its totient is φ = 14410176.

The previous prime is 63044939. The next prime is 63044951. The reversal of 63044940 is 4944036.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 63044898 and 63044907.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74634 + ... + 75473.

It is an arithmetic number, because the mean of its divisors is an integer number (4203024).

Almost surely, 2^63044940 is an apocalyptic number.

63044940 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63044940 is an abundant number, since it is smaller than the sum of its proper divisors (138700212).

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

63044940 is a wasteful number, since it uses less digits than its factorization.

63044940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150126 (or 150124 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 63044940 is about 7940.0843824231. The cubic root of 63044940 is about 398.0003114397. Note that the first 3 decimals are identical.

Adding to 63044940 its reverse (4944036), we get a palindrome (67988976).

The spelling of 63044940 in words is "sixty-three million, forty-four thousand, nine hundred forty".