1013444478 has 48 divisors (see below), whose sum is σ = 2253481776. Its totient is φ = 328970880.

The previous prime is 1013444459. The next prime is 1013444483. The reversal of 1013444478 is 8744443101.

It is a happy number.

1013444478 is a `hidden beast` number, since 10 + 134 + 44 + 478 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 587325 + ... + 589047.

It is an arithmetic number, because the mean of its divisors is an integer number (46947537).

Almost surely, 2^1013444478 is an apocalyptic number.

1013444478 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1013444478 is an abundant number, since it is smaller than the sum of its proper divisors (1240037298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1013444478 is a wasteful number, since it uses less digits than its factorization.

1013444478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2569 (or 2566 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 1013444478 is about 31834.6427339777. The cubic root of 1013444478 is about 1004.4615575676.

Adding to 1013444478 its reverse (8744443101), we get a palindrome (9757887579).

The spelling of 1013444478 in words is "one billion, thirteen million, four hundred forty-four thousand, four hundred seventy-eight".