1033400044 has 18 divisors (see below), whose sum is σ = 1908643884. Its totient is φ = 489504600.

The previous prime is 1033400041. The next prime is 1033400057. The reversal of 1033400044 is 4400043301.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 1033399994 and 1033400030.

It is not an unprimeable number, because it can be changed into a prime (1033400041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 356382 + ... + 359269.

Almost surely, 2^1033400044 is an apocalyptic number.

It is an amenable number.

1033400044 is a deficient number, since it is larger than the sum of its proper divisors (875243840).

1033400044 is a wasteful number, since it uses less digits than its factorization.

1033400044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715693 (or 715672 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1033400044 is about 32146.5401559795. The cubic root of 1033400044 is about 1011.0116465626.

Adding to 1033400044 its reverse (4400043301), we get a palindrome (5433443345).

The spelling of 1033400044 in words is "one billion, thirty-three million, four hundred thousand, forty-four".