6940805154 has 16 divisors (see below), whose sum is σ = 13954291200. Its totient is φ = 2301488240.

The previous prime is 6940805093. The next prime is 6940805159. The reversal of 6940805154 is 4515080496.

It is not an unprimeable number, because it can be changed into a prime (6940805159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3027129 + ... + 3029420.

It is an arithmetic number, because the mean of its divisors is an integer number (872143200).

Almost surely, 2^6940805154 is an apocalyptic number.

6940805154 is an abundant number, since it is smaller than the sum of its proper divisors (7013486046).

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

6940805154 is a wasteful number, since it uses less digits than its factorization.

6940805154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6056745.

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 6940805154 is about 83311.4947291189. The cubic root of 6940805154 is about 1907.5237368783.

The spelling of 6940805154 in words is "six billion, nine hundred forty million, eight hundred five thousand, one hundred fifty-four".