5145005440 has 64 divisors (see below), whose sum is σ = 12947166000. Its totient is φ = 1949681664.

The previous prime is 5145005419. The next prime is 5145005461. The reversal of 5145005440 is 445005415.

It is an interprime number because it is at equal distance from previous prime (5145005419) and next prime (5145005461).

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 5145005399 and 5145005408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199395 + ... + 223714.

Almost surely, 2^5145005440 is an apocalyptic number.

It is an amenable number.

5145005440 is an abundant number, since it is smaller than the sum of its proper divisors (7802160560).

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

5145005440 is a wasteful number, since it uses less digits than its factorization.

5145005440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423147 (or 423135 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 5145005440 is about 71728.6932823957. The cubic root of 5145005440 is about 1726.3490604753.

The spelling of 5145005440 in words is "five billion, one hundred forty-five million, five thousand, four hundred forty".