2040111440 has 40 divisors (see below), whose sum is σ = 4823664480. Its totient is φ = 802211456.

The previous prime is 2040111413. The next prime is 2040111461. The reversal of 2040111440 is 441110402.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211394 + ... + 220833.

It is an arithmetic number, because the mean of its divisors is an integer number (120591612).

Almost surely, 2^2040111440 is an apocalyptic number.

2040111440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2040111440 is an abundant number, since it is smaller than the sum of its proper divisors (2783553040).

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

2040111440 is a wasteful number, since it uses less digits than its factorization.

2040111440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432299 (or 432293 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2040111440 is about 45167.5928072329. The cubic root of 2040111440 is about 1268.2882346871.

Adding to 2040111440 its reverse (441110402), we get a palindrome (2481221842).

The spelling of 2040111440 in words is "two billion, forty million, one hundred eleven thousand, four hundred forty".