6340100440 has 16 divisors (see below), whose sum is σ = 14265226080. Its totient is φ = 2536040160.

The previous prime is 6340100423. The next prime is 6340100467. The reversal of 6340100440 is 440010436.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79251216 + ... + 79251295.

It is an arithmetic number, because the mean of its divisors is an integer number (891576630).

Almost surely, 2^6340100440 is an apocalyptic number.

It is an amenable number.

6340100440 is an abundant number, since it is smaller than the sum of its proper divisors (7925125640).

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

6340100440 is a wasteful number, since it uses less digits than its factorization.

6340100440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158502522 (or 158502518 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 6340100440 is about 79624.7476605107. The cubic root of 6340100440 is about 1850.8250948236.

Adding to 6340100440 its reverse (440010436), we get a palindrome (6780110876).

The spelling of 6340100440 in words is "six billion, three hundred forty million, one hundred thousand, four hundred forty".