63102240 has 168 divisors, whose sum is σ = 223929468. Its totient is φ = 16796160.

The previous prime is 63102233. The next prime is 63102241. The reversal of 63102240 is 4220136.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 62157456 + 944784 = 7884^2 + 972^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (63102241) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 116370 + ... + 116910.

Almost surely, 2^63102240 is an apocalyptic number.

63102240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63102240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111964734).

63102240 is an abundant number, since it is smaller than the sum of its proper divisors (160827228).

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

63102240 is an equidigital number, since it uses as much as digits as its factorization.

63102240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574 (or 551 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 63102240 is about 7943.6918369232. The cubic root of 63102240 is about 398.1208525026.

Adding to 63102240 its reverse (4220136), we get a palindrome (67322376).

The spelling of 63102240 in words is "sixty-three million, one hundred two thousand, two hundred forty".