3630867240 has 512 divisors, whose sum is σ = 14793891840. Its totient is φ = 688435200.

The previous prime is 3630867223. The next prime is 3630867241. The reversal of 3630867240 is 427680363.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (3630867241) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 20059950 + ... + 20060130.

It is an arithmetic number, because the mean of its divisors is an integer number (28894320).

Almost surely, 2^3630867240 is an apocalyptic number.

3630867240 is a gapful number since it is divisible by the number (30) 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 3630867240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7396945920).

3630867240 is an abundant number, since it is smaller than the sum of its proper divisors (11163024600).

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

3630867240 is a wasteful number, since it uses less digits than its factorization.

3630867240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 39.

The square root of 3630867240 is about 60256.6779701636. The cubic root of 3630867240 is about 1536.9867486395.

The spelling of 3630867240 in words is "three billion, six hundred thirty million, eight hundred sixty-seven thousand, two hundred forty".