6351056240 has 40 divisors (see below), whose sum is σ = 15408219168. Its totient is φ = 2429968640.

The previous prime is 6351056221. The next prime is 6351056249. The reversal of 6351056240 is 426501536.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 6351056197 and 6351056206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6351056249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1723991 + ... + 1727670.

Almost surely, 2^6351056240 is an apocalyptic number.

It is an amenable number.

6351056240 is an abundant number, since it is smaller than the sum of its proper divisors (9057162928).

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

6351056240 is a wasteful number, since it uses less digits than its factorization.

6351056240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3451697 (or 3451691 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 6351056240 is about 79693.5144161681. The cubic root of 6351056240 is about 1851.8905669532.

Adding to 6351056240 its reverse (426501536), we get a palindrome (6777557776).

The spelling of 6351056240 in words is "six billion, three hundred fifty-one million, fifty-six thousand, two hundred forty".