6248438040 has 128 divisors (see below), whose sum is σ = 21249849600. Its totient is φ = 1457118720.

The previous prime is 6248438029. The next prime is 6248438101. The reversal of 6248438040 is 408348426.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 6248438040.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 75766 + ... + 135045.

It is an arithmetic number, because the mean of its divisors is an integer number (166014450).

Almost surely, 2^6248438040 is an apocalyptic number.

6248438040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6248438040 is an abundant number, since it is smaller than the sum of its proper divisors (15001411560).

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

6248438040 is a wasteful number, since it uses less digits than its factorization.

6248438040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210857 (or 210853 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 39.

The square root of 6248438040 is about 79047.0621844987. The cubic root of 6248438040 is about 1841.8622882731.

The spelling of 6248438040 in words is "six billion, two hundred forty-eight million, four hundred thirty-eight thousand, forty".