1012404044 has 6 divisors (see below), whose sum is σ = 1771707084. Its totient is φ = 506202020.

The previous prime is 1012404023. The next prime is 1012404047. The reversal of 1012404044 is 4404042101.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1012404047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126550502 + ... + 126550509.

It is an arithmetic number, because the mean of its divisors is an integer number (295284514).

Almost surely, 2^1012404044 is an apocalyptic number.

It is an amenable number.

1012404044 is a deficient number, since it is larger than the sum of its proper divisors (759303040).

1012404044 is a wasteful number, since it uses less digits than its factorization.

1012404044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253101015 (or 253101013 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1012404044 is about 31818.2973145956. The cubic root of 1012404044 is about 1004.1177025862.

Adding to 1012404044 its reverse (4404042101), we get a palindrome (5416446145).

The spelling of 1012404044 in words is "one billion, twelve million, four hundred four thousand, forty-four".