2543011400340 has 96 divisors (see below), whose sum is σ = 7922240444160. Its totient is φ = 677223566208.

The previous prime is 2543011400329. The next prime is 2543011400407. The reversal of 2543011400340 is 430041103452.

It is a happy number.

2543011400340 is a `hidden beast` number, since 2 + 5 + 4 + 301 + 14 + 0 + 0 + 340 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2767879 + ... + 3570318.

It is an arithmetic number, because the mean of its divisors is an integer number (82523337960).

Almost surely, 2^{2543011400340} is an apocalyptic number.

2543011400340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2543011400340 is an abundant number, since it is smaller than the sum of its proper divisors (5379229043820).

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

2543011400340 is a wasteful number, since it uses less digits than its factorization.

2543011400340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6338958 (or 6338950 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 2543011400340 its reverse (430041103452), we get a palindrome (2973052503792).

The spelling of 2543011400340 in words is "two trillion, five hundred forty-three billion, eleven million, four hundred thousand, three hundred forty".