641626360 has 16 divisors (see below), whose sum is σ = 1443659400. Its totient is φ = 256650528.

The previous prime is 641626351. The next prime is 641626369. The reversal of 641626360 is 63626146.

It is an interprime number because it is at equal distance from previous prime (641626351) and next prime (641626369).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641626369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8020290 + ... + 8020369.

Almost surely, 2^641626360 is an apocalyptic number.

It is an amenable number.

641626360 is an abundant number, since it is smaller than the sum of its proper divisors (802033040).

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

641626360 is a wasteful number, since it uses less digits than its factorization.

641626360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16040670 (or 16040666 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 641626360 is about 25330.3446482672. The cubic root of 641626360 is about 862.5032348825.

The spelling of 641626360 in words is "six hundred forty-one million, six hundred twenty-six thousand, three hundred sixty".