1012535444 has 24 divisors (see below), whose sum is σ = 1790776680. Its totient is φ = 500898816.

The previous prime is 1012535393. The next prime is 1012535471. The reversal of 1012535444 is 4445352101.

It can be written as a sum of positive squares in 4 ways, for example, as 425927044 + 586608400 = 20638^2 + 24220^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424784 + ... + 427160.

It is an arithmetic number, because the mean of its divisors is an integer number (74615695).

Almost surely, 2^1012535444 is an apocalyptic number.

It is an amenable number.

1012535444 is a deficient number, since it is larger than the sum of its proper divisors (778241236).

1012535444 is a wasteful number, since it uses less digits than its factorization.

1012535444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3467 (or 3465 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 1012535444 is about 31820.3620972484. The cubic root of 1012535444 is about 1004.1611422120.

Adding to 1012535444 its reverse (4445352101), we get a palindrome (5457887545).

The spelling of 1012535444 in words is "one billion, twelve million, five hundred thirty-five thousand, four hundred forty-four".