63602040 has 32 divisors (see below), whose sum is σ = 190806480. Its totient is φ = 16960512.

The previous prime is 63602039. The next prime is 63602047. The reversal of 63602040 is 4020636.

It is a junction number, because it is equal to n+sod(n) for n = 63601998 and 63602016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63602047) 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, 264889 + ... + 265128.

Almost surely, 2^63602040 is an apocalyptic number.

63602040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63602040 is an abundant number, since it is smaller than the sum of its proper divisors (127204440).

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

63602040 is a wasteful number, since it uses less digits than its factorization.

63602040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530031 (or 530027 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 63602040 is about 7975.0887142401. The cubic root of 63602040 is about 399.1691922576.

Adding to 63602040 its reverse (4020636), we get a palindrome (67622676).

The spelling of 63602040 in words is "sixty-three million, six hundred two thousand, forty".