2445031540 has 24 divisors (see below), whose sum is σ = 5868076032. Its totient is φ = 838296480.

The previous prime is 2445031531. The next prime is 2445031577. The reversal of 2445031540 is 451305442.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 2445031499 and 2445031508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8732116 + ... + 8732395.

It is an arithmetic number, because the mean of its divisors is an integer number (244503168).

Almost surely, 2^2445031540 is an apocalyptic number.

2445031540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2445031540 is an abundant number, since it is smaller than the sum of its proper divisors (3423044492).

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

2445031540 is a wasteful number, since it uses less digits than its factorization.

2445031540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17464527 (or 17464525 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 2445031540 is about 49447.2601869911. The cubic root of 2445031540 is about 1347.1878434256.

Adding to 2445031540 its reverse (451305442), we get a palindrome (2896336982).

The spelling of 2445031540 in words is "two billion, four hundred forty-five million, thirty-one thousand, five hundred forty".