6244244040 has 64 divisors (see below), whose sum is σ = 19378699200. Its totient is φ = 1607712512.

The previous prime is 6244244023. The next prime is 6244244059. The reversal of 6244244040 is 404424426.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 6244243989 and 6244244007.

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, 893682 + ... + 900641.

It is an arithmetic number, because the mean of its divisors is an integer number (302792175).

Almost surely, 2^6244244040 is an apocalyptic number.

6244244040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6244244040 is an abundant number, since it is smaller than the sum of its proper divisors (13134455160).

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

6244244040 is a wasteful number, since it uses less digits than its factorization.

6244244040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794366 (or 1794362 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

The square root of 6244244040 is about 79020.5292313333. The cubic root of 6244244040 is about 1841.4501052955.

Adding to 6244244040 its reverse (404424426), we get a palindrome (6648668466).

The spelling of 6244244040 in words is "six billion, two hundred forty-four million, two hundred forty-four thousand, forty".