5145105040 has 80 divisors (see below), whose sum is σ = 12343709952. Its totient is φ = 1993347072.

The previous prime is 5145104983. The next prime is 5145105059. The reversal of 5145105040 is 405015415.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 5145104996 and 5145105014.

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, 357667 + ... + 371773.

Almost surely, 2^5145105040 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 5145105040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6171854976).

5145105040 is an abundant number, since it is smaller than the sum of its proper divisors (7198604912).

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

5145105040 is a wasteful number, since it uses less digits than its factorization.

5145105040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14264 (or 14258 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 5145105040 is about 71729.3875618634. The cubic root of 5145105040 is about 1726.3602002923.

The spelling of 5145105040 in words is "five billion, one hundred forty-five million, one hundred five thousand, forty".