1044164042 has 4 divisors (see below), whose sum is σ = 1566246066. Its totient is φ = 522082020.

The previous prime is 1044164029. The next prime is 1044164047. The reversal of 1044164042 is 2404614401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2404614401 = 7 ⋅343516343.

It can be written as a sum of positive squares in only one way, i.e., 1005587521 + 38576521 = 31711^2 + 6211^2 .

It is not an unprimeable number, because it can be changed into a prime (1044164047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261041009 + ... + 261041012.

Almost surely, 2^1044164042 is an apocalyptic number.

1044164042 is a deficient number, since it is larger than the sum of its proper divisors (522082024).

1044164042 is an equidigital number, since it uses as much as digits as its factorization.

1044164042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522082023.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 1044164042 is about 32313.5272293199. The cubic root of 1044164042 is about 1014.5097949157.

Adding to 1044164042 its reverse (2404614401), we get a palindrome (3448778443).

The spelling of 1044164042 in words is "one billion, forty-four million, one hundred sixty-four thousand, forty-two".