2141542112340 has 48 divisors (see below), whose sum is σ = 6034511048832. Its totient is φ = 567440455296.

The previous prime is 2141542112243. The next prime is 2141542112341. The reversal of 2141542112340 is 432112451412.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2141542112298 and 2141542112307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141542112341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113660544 + ... + 113679383.

It is an arithmetic number, because the mean of its divisors is an integer number (125718980184).

Almost surely, 2^{2141542112340} is an apocalyptic number.

2141542112340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2141542112340 is an abundant number, since it is smaller than the sum of its proper divisors (3892968936492).

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

2141542112340 is a wasteful number, since it uses less digits than its factorization.

2141542112340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227340096 (or 227340094 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 2141542112340 its reverse (432112451412), we get a palindrome (2573654563752).

The spelling of 2141542112340 in words is "two trillion, one hundred forty-one billion, five hundred forty-two million, one hundred twelve thousand, three hundred forty".