641448710 has 24 divisors (see below), whose sum is σ = 1343116080. Its totient is φ = 219925104.

The previous prime is 641448697. The next prime is 641448739. The reversal of 641448710 is 17844146.

It is a super-2 number, since 2×641448710² = 822912895121328200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 654050 + ... + 655029.

It is an arithmetic number, because the mean of its divisors is an integer number (55963170).

Almost surely, 2^641448710 is an apocalyptic number.

641448710 is an abundant number, since it is smaller than the sum of its proper divisors (701667370).

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

641448710 is a wasteful number, since it uses less digits than its factorization.

641448710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309100 (or 1309093 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 641448710 is about 25326.8377418106. The cubic root of 641448710 is about 862.4236258075.

The spelling of 641448710 in words is "six hundred forty-one million, four hundred forty-eight thousand, seven hundred ten".