6698271240 has 64 divisors (see below), whose sum is σ = 22327574400. Its totient is φ = 1786205376.

The previous prime is 6698271233. The next prime is 6698271247. The reversal of 6698271240 is 421728966.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6698271233) and next prime (6698271247).

It is a super-2 number, since 2×6698271240² = 89733675209222275200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (6698271247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3099972 + ... + 3102131.

It is an arithmetic number, because the mean of its divisors is an integer number (348868350).

Almost surely, 2^6698271240 is an apocalyptic number.

6698271240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6698271240 is an abundant number, since it is smaller than the sum of its proper divisors (15629303160).

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

6698271240 is a wasteful number, since it uses less digits than its factorization.

6698271240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6202123 (or 6202113 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 6698271240 is about 81842.9669550170. The cubic root of 6698271240 is about 1885.0414745546.

The spelling of 6698271240 in words is "six billion, six hundred ninety-eight million, two hundred seventy-one thousand, two hundred forty".