2667306540 has 48 divisors (see below), whose sum is σ = 7540985088. Its totient is φ = 704374464.

The previous prime is 2667306539. The next prime is 2667306547. The reversal of 2667306540 is 456037662.

It is a super-2 number, since 2×2667306540² = 14229048356653543200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2667306547) 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, 209622 + ... + 221981.

It is an arithmetic number, because the mean of its divisors is an integer number (157103856).

Almost surely, 2^2667306540 is an apocalyptic number.

2667306540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2667306540 is an abundant number, since it is smaller than the sum of its proper divisors (4873678548).

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

2667306540 is a wasteful number, since it uses less digits than its factorization.

2667306540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431718 (or 431716 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 39.

The square root of 2667306540 is about 51645.9731247268. The cubic root of 2667306540 is about 1386.8334556784.

The spelling of 2667306540 in words is "two billion, six hundred sixty-seven million, three hundred six thousand, five hundred forty".