6239951940 has 24 divisors (see below), whose sum is σ = 17471865600. Its totient is φ = 1663987168.

The previous prime is 6239951933. The next prime is 6239951959. The reversal of 6239951940 is 491599326.

It is a self number, because there is not a number n which added to its sum of digits gives 6239951940.

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, 51999540 + ... + 51999659.

It is an arithmetic number, because the mean of its divisors is an integer number (727994400).

Almost surely, 2^6239951940 is an apocalyptic number.

6239951940 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6239951940 is an abundant number, since it is smaller than the sum of its proper divisors (11231913660).

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

6239951940 is a wasteful number, since it uses less digits than its factorization.

6239951940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103999211 (or 103999209 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 48.

The square root of 6239951940 is about 78993.3664303529. The cubic root of 6239951940 is about 1841.0280899933.

The spelling of 6239951940 in words is "six billion, two hundred thirty-nine million, nine hundred fifty-one thousand, nine hundred forty".