2167345240 has 16 divisors (see below), whose sum is σ = 4876526880. Its totient is φ = 866938080.

The previous prime is 2167345237. The next prime is 2167345267. The reversal of 2167345240 is 425437612.

It is a junction number, because it is equal to n+sod(n) for n = 2167345196 and 2167345205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27091776 + ... + 27091855.

It is an arithmetic number, because the mean of its divisors is an integer number (304782930).

Almost surely, 2^2167345240 is an apocalyptic number.

2167345240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2167345240 is an abundant number, since it is smaller than the sum of its proper divisors (2709181640).

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

2167345240 is a wasteful number, since it uses less digits than its factorization.

2167345240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54183642 (or 54183638 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 2167345240 is about 46554.7552887994. The cubic root of 2167345240 is about 1294.1244191884.

The spelling of 2167345240 in words is "two billion, one hundred sixty-seven million, three hundred forty-five thousand, two hundred forty".