4661221460 has 48 divisors (see below), whose sum is σ = 11206715520. Its totient is φ = 1595306880.

The previous prime is 4661221447. The next prime is 4661221463. The reversal of 4661221460 is 641221664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4661221463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50786 + ... + 109094.

It is an arithmetic number, because the mean of its divisors is an integer number (233473240).

Almost surely, 2^4661221460 is an apocalyptic number.

It is an amenable number.

4661221460 is an abundant number, since it is smaller than the sum of its proper divisors (6545494060).

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

4661221460 is a wasteful number, since it uses less digits than its factorization.

4661221460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58896 (or 58894 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 4661221460 is about 68273.1386417821. The cubic root of 4661221460 is about 1670.4490957555.

The spelling of 4661221460 in words is "four billion, six hundred sixty-one million, two hundred twenty-one thousand, four hundred sixty".