4727218640 has 40 divisors (see below), whose sum is σ = 11224638720. Its totient is φ = 1850654336.

The previous prime is 4727218633. The next prime is 4727218667. The reversal of 4727218640 is 468127274.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

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, 624860 + ... + 632379.

It is an arithmetic number, because the mean of its divisors is an integer number (280615968).

Almost surely, 2^4727218640 is an apocalyptic number.

4727218640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4727218640 is an abundant number, since it is smaller than the sum of its proper divisors (6497420080).

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

4727218640 is a wasteful number, since it uses less digits than its factorization.

4727218640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257299 (or 1257293 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 41.

The square root of 4727218640 is about 68754.7717616748. The cubic root of 4727218640 is about 1678.2960141447.

The spelling of 4727218640 in words is "four billion, seven hundred twenty-seven million, two hundred eighteen thousand, six hundred forty".