6297155440 has 40 divisors (see below), whose sum is σ = 14777737200. Its totient is φ = 2495318016.

The previous prime is 6297155429. The next prime is 6297155483. The reversal of 6297155440 is 445517926.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359265 + ... + 376384.

It is an arithmetic number, because the mean of its divisors is an integer number (369443430).

Almost surely, 2^6297155440 is an apocalyptic number.

It is an amenable number.

6297155440 is an abundant number, since it is smaller than the sum of its proper divisors (8480581760).

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

6297155440 is a wasteful number, since it uses less digits than its factorization.

6297155440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735769 (or 735763 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 6297155440 is about 79354.6182651016. The cubic root of 6297155440 is about 1846.6367371818.

The spelling of 6297155440 in words is "six billion, two hundred ninety-seven million, one hundred fifty-five thousand, four hundred forty".