2465044640 has 72 divisors (see below), whose sum is σ = 5975456508. Its totient is φ = 960399360.

The previous prime is 2465044627. The next prime is 2465044643. The reversal of 2465044640 is 464405642.

It can be written as a sum of positive squares in 6 ways, for example, as 209554576 + 2255490064 = 14476^2 + 47492^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2465044640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2465044643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4020974 + ... + 4021586.

Almost surely, 2^2465044640 is an apocalyptic number.

2465044640 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 2465044640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2987728254).

2465044640 is an abundant number, since it is smaller than the sum of its proper divisors (3510411868).

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

2465044640 is an frugal number, since it uses more digits than its factorization.

2465044640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282 (or 661 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 35.

The square root of 2465044640 is about 49649.2159051883. The cubic root of 2465044640 is about 1350.8535324886.

The spelling of 2465044640 in words is "two billion, four hundred sixty-five million, forty-four thousand, six hundred forty".