641350424 has 32 divisors (see below), whose sum is σ = 1412767440. Its totient is φ = 269097600.

The previous prime is 641350397. The next prime is 641350427. The reversal of 641350424 is 424053146.

It is a super-2 number, since 2×641350424² = 822660732729959552, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641350427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279167 + ... + 281454.

Almost surely, 2^641350424 is an apocalyptic number.

It is an amenable number.

641350424 is an abundant number, since it is smaller than the sum of its proper divisors (771417016).

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

641350424 is a wasteful number, since it uses less digits than its factorization.

641350424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560651 (or 560647 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 641350424 is about 25324.8973146980. The cubic root of 641350424 is about 862.3795752612.

The spelling of 641350424 in words is "six hundred forty-one million, three hundred fifty thousand, four hundred twenty-four".