6940218460 has 48 divisors (see below), whose sum is σ = 16675727040. Its totient is φ = 2376760320.

The previous prime is 6940218451. The next prime is 6940218463. The reversal of 6940218460 is 648120496.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6940218463) 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, 95206 + ... + 151474.

It is an arithmetic number, because the mean of its divisors is an integer number (347410980).

Almost surely, 2^6940218460 is an apocalyptic number.

It is an amenable number.

6940218460 is an abundant number, since it is smaller than the sum of its proper divisors (9735508580).

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

6940218460 is a wasteful number, since it uses less digits than its factorization.

6940218460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57166 (or 57164 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 6940218460 is about 83307.9735679605. The cubic root of 6940218460 is about 1907.4699888265.

The spelling of 6940218460 in words is "six billion, nine hundred forty million, two hundred eighteen thousand, four hundred sixty".