6898268931840 has 2592 divisors, whose sum is σ = 29944867518720. Its totient is φ = 1501127147520.

The previous prime is 6898268931839. The next prime is 6898268931881. The reversal of 6898268931840 is 481398628986.

6898268931840 is a `hidden beast` number, since 6 + 8 + 9 + 8 + 268 + 9 + 318 + 40 = 666.

It is a super-2 number, since 2×6898268931840² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 30388849807 + ... + 30388850033.

Almost surely, 2^{6898268931840} is an apocalyptic number.

6898268931840 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6898268931840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14972433759360).

6898268931840 is an abundant number, since it is smaller than the sum of its proper divisors (23046598586880).

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

6898268931840 is a wasteful number, since it uses less digits than its factorization.

6898268931840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 286654464, while the sum is 72.

The spelling of 6898268931840 in words is "six trillion, eight hundred ninety-eight billion, two hundred sixty-eight million, nine hundred thirty-one thousand, eight hundred forty".