542023450 has 36 divisors (see below), whose sum is σ = 1064052990. Its totient is φ = 205391520.

The previous prime is 542023441. The next prime is 542023453. The reversal of 542023450 is 54320245.

It can be written as a sum of positive squares in 3 ways, for example, as 520706761 + 21316689 = 22819^2 + 4617^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (542023453) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3036 + ... + 33064.

Almost surely, 2^542023450 is an apocalyptic number.

542023450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

542023450 is a deficient number, since it is larger than the sum of its proper divisors (522029540).

542023450 is a wasteful number, since it uses less digits than its factorization.

542023450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30079 (or 30055 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 542023450 is about 23281.3970800723. The cubic root of 542023450 is about 815.3411446483.

Adding to 542023450 its reverse (54320245), we get a palindrome (596343695).

The spelling of 542023450 in words is "five hundred forty-two million, twenty-three thousand, four hundred fifty".