540234661340 has 24 divisors (see below), whose sum is σ = 1237628497392. Its totient is φ = 196448967680.

The previous prime is 540234661327. The next prime is 540234661357. The reversal of 540234661340 is 43166432045.

It is a junction number, because it is equal to n+sod(n) for n = 540234661294 and 540234661303.

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, 1227805829 + ... + 1227806268.

It is an arithmetic number, because the mean of its divisors is an integer number (51567854058).

Almost surely, 2^540234661340 is an apocalyptic number.

It is an amenable number.

540234661340 is an abundant number, since it is smaller than the sum of its proper divisors (697393836052).

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

540234661340 is a wasteful number, since it uses less digits than its factorization.

540234661340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2455612117 (or 2455612115 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 540234661340 in words is "five hundred forty billion, two hundred thirty-four million, six hundred sixty-one thousand, three hundred forty".