2340771440 has 40 divisors (see below), whose sum is σ = 6219765600. Its totient is φ = 802550016.

The previous prime is 2340771437. The next prime is 2340771449. The reversal of 2340771440 is 441770432.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 2340771397 and 2340771406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2340771449) 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, 2089415 + ... + 2090534.

It is an arithmetic number, because the mean of its divisors is an integer number (155494140).

Almost surely, 2^2340771440 is an apocalyptic number.

2340771440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2340771440 is an abundant number, since it is smaller than the sum of its proper divisors (3878994160).

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

2340771440 is a wasteful number, since it uses less digits than its factorization.

2340771440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4179969 (or 4179963 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 2340771440 is about 48381.5196123479. The cubic root of 2340771440 is about 1327.7602720852.

The spelling of 2340771440 in words is "two billion, three hundred forty million, seven hundred seventy-one thousand, four hundred forty".