641514260 has 24 divisors (see below), whose sum is σ = 1347657696. Its totient is φ = 256514720.

The previous prime is 641514259. The next prime is 641514277. The reversal of 641514260 is 62415146.

641514260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 100319 + ... + 106521.

It is an arithmetic number, because the mean of its divisors is an integer number (56152404).

Almost surely, 2^641514260 is an apocalyptic number.

It is an amenable number.

641514260 is an abundant number, since it is smaller than the sum of its proper divisors (706143436).

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

641514260 is a wasteful number, since it uses less digits than its factorization.

641514260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11383 (or 11381 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 641514260 is about 25328.1317905605. The cubic root of 641514260 is about 862.4530019900.

The spelling of 641514260 in words is "six hundred forty-one million, five hundred fourteen thousand, two hundred sixty".