1013442044 has 24 divisors (see below), whose sum is σ = 1836632448. Its totient is φ = 489003840.

The previous prime is 1013442041. The next prime is 1013442071. The reversal of 1013442044 is 4402443101.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013442041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26252 + ... + 52115.

It is an arithmetic number, because the mean of its divisors is an integer number (76526352).

Almost surely, 2^1013442044 is an apocalyptic number.

It is an amenable number.

1013442044 is a deficient number, since it is larger than the sum of its proper divisors (823190404).

1013442044 is a wasteful number, since it uses less digits than its factorization.

1013442044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78485 (or 78483 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1013442044 is about 31834.6045051607. The cubic root of 1013442044 is about 1004.4607534250.

Adding to 1013442044 its reverse (4402443101), we get a palindrome (5415885145).

The spelling of 1013442044 in words is "one billion, thirteen million, four hundred forty-two thousand, forty-four".