2461380220 has 72 divisors (see below), whose sum is σ = 5790324960. Its totient is φ = 877443840.

The previous prime is 2461380197. The next prime is 2461380221. The reversal of 2461380220 is 220831642.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2461380221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85465 + ... + 110575.

It is an arithmetic number, because the mean of its divisors is an integer number (80421180).

Almost surely, 2^2461380220 is an apocalyptic number.

2461380220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2461380220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2895162480).

2461380220 is an abundant number, since it is smaller than the sum of its proper divisors (3328944740).

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

2461380220 is a wasteful number, since it uses less digits than its factorization.

2461380220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25175 (or 25160 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 2461380220 is about 49612.2990799660. The cubic root of 2461380220 is about 1350.1838286479.

The spelling of 2461380220 in words is "two billion, four hundred sixty-one million, three hundred eighty thousand, two hundred twenty".