540454102623 has 24 divisors (see below), whose sum is σ = 807786167760. Its totient is φ = 347969381760.

The previous prime is 540454102589. The next prime is 540454102627. The reversal of 540454102623 is 326201454045.

540454102623 is a `hidden beast` number, since 5 + 40 + 454 + 102 + 62 + 3 = 666.

It is not a de Polignac number, because 540454102623 - 2¹³ = 540454094431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540454102627) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7811188 + ... + 7880073.

It is an arithmetic number, because the mean of its divisors is an integer number (33657756990).

Almost surely, 2^540454102623 is an apocalyptic number.

540454102623 is a deficient number, since it is larger than the sum of its proper divisors (267332065137).

540454102623 is a wasteful number, since it uses less digits than its factorization.

540454102623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15691399 (or 15691396 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 540454102623 its reverse (326201454045), we get a palindrome (866655556668).

The spelling of 540454102623 in words is "five hundred forty billion, four hundred fifty-four million, one hundred two thousand, six hundred twenty-three".