6242515440 has 80 divisors (see below), whose sum is σ = 22116346368. Its totient is φ = 1426860288.

The previous prime is 6242515429. The next prime is 6242515453. The reversal of 6242515440 is 445152426.

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

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, 1856212 + ... + 1859571.

Almost surely, 2^6242515440 is an apocalyptic number.

6242515440 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6242515440 is an abundant number, since it is smaller than the sum of its proper divisors (15873830928).

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

6242515440 is a wasteful number, since it uses less digits than its factorization.

6242515440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3715806 (or 3715800 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 6242515440 is about 79009.5908102301. The cubic root of 6242515440 is about 1841.2801661533.

Adding to 6242515440 its reverse (445152426), we get a palindrome (6687667866).

The spelling of 6242515440 in words is "six billion, two hundred forty-two million, five hundred fifteen thousand, four hundred forty".