4221601432752 has 80 divisors (see below), whose sum is σ = 11897519402880. Its totient is φ = 1279243161600.

The previous prime is 4221601432751. The next prime is 4221601432753. The reversal of 4221601432752 is 2572341061224.

It is an interprime number because it is at equal distance from previous prime (4221601432751) and next prime (4221601432753).

It is a self number, because there is not a number n which added to its sum of digits gives 4221601432752.

It is not an unprimeable number, because it can be changed into a prime (4221601432751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34564752 + ... + 34686672.

It is an arithmetic number, because the mean of its divisors is an integer number (148718992536).

Almost surely, 2^{4221601432752} is an apocalyptic number.

It is an amenable number.

4221601432752 is an abundant number, since it is smaller than the sum of its proper divisors (7675917970128).

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

4221601432752 is a wasteful number, since it uses less digits than its factorization.

4221601432752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187522 (or 187516 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 39.

Adding to 4221601432752 its reverse (2572341061224), we get a palindrome (6793942493976).

The spelling of 4221601432752 in words is "four trillion, two hundred twenty-one billion, six hundred one million, four hundred thirty-two thousand, seven hundred fifty-two".