5345123540 has 48 divisors (see below), whose sum is σ = 11647770624. Its totient is φ = 2058201600.

The previous prime is 5345123473. The next prime is 5345123573. The reversal of 5345123540 is 453215435.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 5345123497 and 5345123506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95852 + ... + 140988.

It is an arithmetic number, because the mean of its divisors is an integer number (242661888).

Almost surely, 2^5345123540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5345123540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5823885312).

5345123540 is an abundant number, since it is smaller than the sum of its proper divisors (6302647084).

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

5345123540 is a wasteful number, since it uses less digits than its factorization.

5345123540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45368 (or 45366 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 5345123540 is about 73110.3517978131. The cubic root of 5345123540 is about 1748.4474436984.

Adding to 5345123540 its reverse (453215435), we get a palindrome (5798338975).

The spelling of 5345123540 in words is "five billion, three hundred forty-five million, one hundred twenty-three thousand, five hundred forty".