2054512340 has 12 divisors (see below), whose sum is σ = 4314475956. Its totient is φ = 821804928.

The previous prime is 2054512331. The next prime is 2054512349. The reversal of 2054512340 is 432154502.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2054512331) and next prime (2054512349).

It can be written as a sum of positive squares in 2 ways, for example, as 663371536 + 1391140804 = 25756^2 + 37298^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2054512349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51362789 + ... + 51362828.

It is an arithmetic number, because the mean of its divisors is an integer number (359539663).

Almost surely, 2^2054512340 is an apocalyptic number.

2054512340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2054512340 is an abundant number, since it is smaller than the sum of its proper divisors (2259963616).

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

2054512340 is a wasteful number, since it uses less digits than its factorization.

2054512340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102725626 (or 102725624 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2054512340 is about 45326.7287590887. The cubic root of 2054512340 is about 1271.2654714223.

Adding to 2054512340 its reverse (432154502), we get a palindrome (2486666842).

The spelling of 2054512340 in words is "two billion, fifty-four million, five hundred twelve thousand, three hundred forty".