461218770 has 96 divisors (see below), whose sum is σ = 1259241984. Its totient is φ = 116899200.

The previous prime is 461218759. The next prime is 461218777. The reversal of 461218770 is 77812164.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (461218777) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 374055 + ... + 375285.

It is an arithmetic number, because the mean of its divisors is an integer number (13117104).

Almost surely, 2^461218770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 461218770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (629620992).

461218770 is an abundant number, since it is smaller than the sum of its proper divisors (798023214).

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

461218770 is a wasteful number, since it uses less digits than its factorization.

461218770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1448 (or 1445 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 461218770 is about 21476.0045166693. The cubic root of 461218770 is about 772.6254171587.

It can be divided in two parts, 46 and 1218770, that added together give a square (1218816 = 1104²).

The spelling of 461218770 in words is "four hundred sixty-one million, two hundred eighteen thousand, seven hundred seventy".