63045240 has 32 divisors (see below), whose sum is σ = 189136080. Its totient is φ = 16812032.

The previous prime is 63045221. The next prime is 63045251. The reversal of 63045240 is 4254036.

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

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 63045240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262569 + ... + 262808.

Almost surely, 2^63045240 is an apocalyptic number.

63045240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63045240 is an abundant number, since it is smaller than the sum of its proper divisors (126090840).

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

63045240 is a wasteful number, since it uses less digits than its factorization.

63045240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525391 (or 525387 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 63045240 is about 7940.1032738876. The cubic root of 63045240 is about 398.0009427349. Note that the first 3 decimals are identical.

Adding to 63045240 its reverse (4254036), we get a palindrome (67299276).

The spelling of 63045240 in words is "sixty-three million, forty-five thousand, two hundred forty".