2465261280 has 144 divisors (see below), whose sum is σ = 8426723760. Its totient is φ = 656308224.

The previous prime is 2465261263. The next prime is 2465261291. The reversal of 2465261280 is 821625642.

It is a happy number.

2465261280 is a `hidden beast` number, since 2 + 4 + 6 + 526 + 128 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1235964 + ... + 1237956.

It is an arithmetic number, because the mean of its divisors is an integer number (58518915).

Almost surely, 2^2465261280 is an apocalyptic number.

2465261280 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 2465261280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4213361880).

2465261280 is an abundant number, since it is smaller than the sum of its proper divisors (5961462480).

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

2465261280 is a wasteful number, since it uses less digits than its factorization.

2465261280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2873 (or 2862 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 2465261280 is about 49651.3975634120. The cubic root of 2465261280 is about 1350.8931045017.

The spelling of 2465261280 in words is "two billion, four hundred sixty-five million, two hundred sixty-one thousand, two hundred eighty".