540252141641 has 4 divisors (see below), whose sum is σ = 542011920912. Its totient is φ = 538492362372.

The previous prime is 540252141613. The next prime is 540252141647. The reversal of 540252141641 is 146141252045.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540252141641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540252141647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 879889175 + ... + 879889788.

It is an arithmetic number, because the mean of its divisors is an integer number (135502980228).

Almost surely, 2^540252141641 is an apocalyptic number.

It is an amenable number.

540252141641 is a deficient number, since it is larger than the sum of its proper divisors (1759779271).

540252141641 is a wasteful number, since it uses less digits than its factorization.

540252141641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1759779270.

The product of its (nonzero) digits is 38400, while the sum is 35.

Adding to 540252141641 its reverse (146141252045), we get a palindrome (686393393686).

The spelling of 540252141641 in words is "five hundred forty billion, two hundred fifty-two million, one hundred forty-one thousand, six hundred forty-one".