4201251240 has 32 divisors (see below), whose sum is σ = 12603754080. Its totient is φ = 1120333632.

The previous prime is 4201251239. The next prime is 4201251289. The reversal of 4201251240 is 421521024.

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, 17505094 + ... + 17505333.

It is an arithmetic number, because the mean of its divisors is an integer number (393867315).

Almost surely, 2^4201251240 is an apocalyptic number.

4201251240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4201251240 is an abundant number, since it is smaller than the sum of its proper divisors (8402502840).

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

4201251240 is a wasteful number, since it uses less digits than its factorization.

4201251240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35010441 (or 35010437 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 4201251240 is about 64817.0597913852. The cubic root of 4201251240 is about 1613.5888512640.

Adding to 4201251240 its reverse (421521024), we get a palindrome (4622772264).

The spelling of 4201251240 in words is "four billion, two hundred one million, two hundred fifty-one thousand, two hundred forty".