461099380 has 48 divisors (see below), whose sum is σ = 1117017216. Its totient is φ = 156608640.

The previous prime is 461099371. The next prime is 461099389. The reversal of 461099380 is 83990164.

It is an interprime number because it is at equal distance from previous prime (461099371) and next prime (461099389).

It is a super-2 number, since 2×461099380² = 425225276472768800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461099389) 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, 411 + ... + 30370.

It is an arithmetic number, because the mean of its divisors is an integer number (23271192).

Almost surely, 2^461099380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 461099380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (558508608).

461099380 is an abundant number, since it is smaller than the sum of its proper divisors (655917836).

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

461099380 is a wasteful number, since it uses less digits than its factorization.

461099380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30904 (or 30902 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 461099380 is about 21473.2247228962. The cubic root of 461099380 is about 772.5587447428.

The spelling of 461099380 in words is "four hundred sixty-one million, ninety-nine thousand, three hundred eighty".