2469111640 has 64 divisors (see below), whose sum is σ = 5892212160. Its totient is φ = 929195520.

The previous prime is 2469111599. The next prime is 2469111647. The reversal of 2469111640 is 461119642.

It is a happy number.

2469111640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2469111596 and 2469111605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2469111647) 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, 34122 + ... + 78118.

It is an arithmetic number, because the mean of its divisors is an integer number (92065815).

Almost surely, 2^2469111640 is an apocalyptic number.

2469111640 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 2469111640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2946106080).

2469111640 is an abundant number, since it is smaller than the sum of its proper divisors (3423100520).

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

2469111640 is a wasteful number, since it uses less digits than its factorization.

2469111640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44092 (or 44088 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 2469111640 is about 49690.1563692448. The cubic root of 2469111640 is about 1351.5960346158.

The spelling of 2469111640 in words is "two billion, four hundred sixty-nine million, one hundred eleven thousand, six hundred forty".