16054400042 has 4 divisors (see below), whose sum is σ = 24081600066. Its totient is φ = 8027200020.

The previous prime is 16054400027. The next prime is 16054400057. The reversal of 16054400042 is 24000445061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24000445061 = 19 ⋅1263181319.

It is an interprime number because it is at equal distance from previous prime (16054400027) and next prime (16054400057).

It can be written as a sum of positive squares in only one way, i.e., 16053143401 + 1256641 = 126701^2 + 1121^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16054399984 and 16054400020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4013600009 + ... + 4013600012.

Almost surely, 2^16054400042 is an apocalyptic number.

16054400042 is a deficient number, since it is larger than the sum of its proper divisors (8027200024).

16054400042 is an equidigital number, since it uses as much as digits as its factorization.

16054400042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8027200023.

The product of its (nonzero) digits is 3840, while the sum is 26.

The spelling of 16054400042 in words is "sixteen billion, fifty-four million, four hundred thousand, forty-two".