5145340040 has 64 divisors (see below), whose sum is σ = 12000096000. Its totient is φ = 1984232448.

The previous prime is 5145340021. The next prime is 5145340069. The reversal of 5145340040 is 400435415.

It is a junction number, because it is equal to n+sod(n) for n = 5145339991 and 5145340009.

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, 105536 + ... + 146384.

It is an arithmetic number, because the mean of its divisors is an integer number (187501500).

Almost surely, 2^5145340040 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 5145340040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6000048000).

5145340040 is an abundant number, since it is smaller than the sum of its proper divisors (6854755960).

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

5145340040 is a wasteful number, since it uses less digits than its factorization.

5145340040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40974 (or 40970 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 5145340040 is about 71731.0256444169. The cubic root of 5145340040 is about 1726.3864834272.

Adding to 5145340040 its reverse (400435415), we get a palindrome (5545775455).

The spelling of 5145340040 in words is "five billion, one hundred forty-five million, three hundred forty thousand, forty".