1013052440 has 32 divisors (see below), whose sum is σ = 2413450080. Its totient is φ = 381384192.

The previous prime is 1013052413. The next prime is 1013052449. The reversal of 1013052440 is 442503101.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013052449) 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, 744212 + ... + 745571.

It is an arithmetic number, because the mean of its divisors is an integer number (75420315).

Almost surely, 2^1013052440 is an apocalyptic number.

1013052440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013052440 is an abundant number, since it is smaller than the sum of its proper divisors (1400397640).

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

1013052440 is a wasteful number, since it uses less digits than its factorization.

1013052440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489811 (or 1489807 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1013052440 is about 31828.4847267350. The cubic root of 1013052440 is about 1004.3320198387.

Adding to 1013052440 its reverse (442503101), we get a palindrome (1455555541).

The spelling of 1013052440 in words is "one billion, thirteen million, fifty-two thousand, four hundred forty".