2345511540 has 48 divisors (see below), whose sum is σ = 6720170688. Its totient is φ = 610923264.

The previous prime is 2345511521. The next prime is 2345511541. The reversal of 2345511540 is 451155432.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2345511498 and 2345511507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2345511541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 451977 + ... + 457136.

It is an arithmetic number, because the mean of its divisors is an integer number (140003556).

Almost surely, 2^2345511540 is an apocalyptic number.

2345511540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2345511540 is an abundant number, since it is smaller than the sum of its proper divisors (4374659148).

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

2345511540 is a wasteful number, since it uses less digits than its factorization.

2345511540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909168 (or 909166 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 2345511540 is about 48430.4815173254. The cubic root of 2345511540 is about 1328.6559131317.

Adding to 2345511540 its reverse (451155432), we get a palindrome (2796666972).

The spelling of 2345511540 in words is "two billion, three hundred forty-five million, five hundred eleven thousand, five hundred forty".