6812571400 has 48 divisors (see below), whose sum is σ = 15847088400. Its totient is φ = 2723676480.

The previous prime is 6812571397. The next prime is 6812571401. The reversal of 6812571400 is 41752186.

It is a super-2 number, since 2×6812571400² = 92822258160195920000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6812571401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 460519 + ... + 475081.

It is an arithmetic number, because the mean of its divisors is an integer number (330147675).

Almost surely, 2^6812571400 is an apocalyptic number.

It is an amenable number.

6812571400 is an abundant number, since it is smaller than the sum of its proper divisors (9034517000).

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

6812571400 is a wasteful number, since it uses less digits than its factorization.

6812571400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16918 (or 16909 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 6812571400 is about 82538.3026236910. The cubic root of 6812571400 is about 1895.7032544598.

The spelling of 6812571400 in words is "six billion, eight hundred twelve million, five hundred seventy-one thousand, four hundred".