540454162542 has 128 divisors (see below), whose sum is σ = 1313832960000. Its totient is φ = 144684535296.

The previous prime is 540454162529. The next prime is 540454162543. The reversal of 540454162542 is 245261454045.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 540454162494 and 540454162503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540454162543) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 180209959 + ... + 180212957.

It is an arithmetic number, because the mean of its divisors is an integer number (10264320000).

Almost surely, 2^540454162542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 540454162542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (656916480000).

540454162542 is an abundant number, since it is smaller than the sum of its proper divisors (773378797458).

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

540454162542 is a wasteful number, since it uses less digits than its factorization.

540454162542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4070.

The product of its (nonzero) digits is 768000, while the sum is 42.

The spelling of 540454162542 in words is "five hundred forty billion, four hundred fifty-four million, one hundred sixty-two thousand, five hundred forty-two".