1013624442 has 48 divisors (see below), whose sum is σ = 2299752000. Its totient is φ = 334577952.

The previous prime is 1013624429. The next prime is 1013624459. The reversal of 1013624442 is 2444263101.

It is a happy number.

It is a super-2 number, since 2×1013624442² = 2054869018839622728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 39934 + ... + 60182.

It is an arithmetic number, because the mean of its divisors is an integer number (47911500).

Almost surely, 2^1013624442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1013624442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1149876000).

1013624442 is an abundant number, since it is smaller than the sum of its proper divisors (1286127558).

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

1013624442 is a wasteful number, since it uses less digits than its factorization.

1013624442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20369 (or 20357 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 1013624442 is about 31837.4691519285. The cubic root of 1013624442 is about 1004.5210103298.

Adding to 1013624442 its reverse (2444263101), we get a palindrome (3457887543).

The spelling of 1013624442 in words is "one billion, thirteen million, six hundred twenty-four thousand, four hundred forty-two".