6250000040 has 32 divisors (see below), whose sum is σ = 14442571080. Its totient is φ = 2432431872.

The previous prime is 6250000021. The next prime is 6250000063. The reversal of 6250000040 is 400000526.

It can be written as a sum of positive squares in 4 ways, for example, as 6249534916 + 465124 = 79054^2 + 682^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6249999973 and 6250000018.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2110007 + ... + 2112966.

Almost surely, 2^6250000040 is an apocalyptic number.

It is an amenable number.

6250000040 is an abundant number, since it is smaller than the sum of its proper divisors (8192571040).

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

6250000040 is a wasteful number, since it uses less digits than its factorization.

6250000040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4223021 (or 4223017 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 6250000040 is about 79056.9417571917. The cubic root of 6250000040 is about 1842.0157532498.

Adding to 6250000040 its reverse (400000526), we get a palindrome (6650000566).

It can be divided in two parts, 62500000 and 40, that multiplied together give a square (2500000000 = 50000²).

The spelling of 6250000040 in words is "six billion, two hundred fifty million, forty", and thus it is an aban number.