6243501940 has 96 divisors (see below), whose sum is σ = 14980127904. Its totient is φ = 2165391360.

The previous prime is 6243501931. The next prime is 6243501941. The reversal of 6243501940 is 491053426.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 2223688336 + 4019813604 = 47156^2 + 63402^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 6243501896 and 6243501905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6243501941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2920552 + ... + 2922688.

It is an arithmetic number, because the mean of its divisors is an integer number (156042999).

Almost surely, 2^6243501940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6243501940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7490063952).

6243501940 is an abundant number, since it is smaller than the sum of its proper divisors (8736625964).

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

6243501940 is a wasteful number, since it uses less digits than its factorization.

6243501940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2837 (or 2835 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 6243501940 is about 79015.8334765887. The cubic root of 6243501940 is about 1841.3771530825.

The spelling of 6243501940 in words is "six billion, two hundred forty-three million, five hundred one thousand, nine hundred forty".