1013454440 has 16 divisors (see below), whose sum is σ = 2280272580. Its totient is φ = 405381760.

The previous prime is 1013454419. The next prime is 1013454443. The reversal of 1013454440 is 444543101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1010349796 + 3104644 = 31786^2 + 1762^2 .

It is not an unprimeable number, because it can be changed into a prime (1013454443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12668141 + ... + 12668220.

Almost surely, 2^1013454440 is an apocalyptic number.

1013454440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013454440 is an abundant number, since it is smaller than the sum of its proper divisors (1266818140).

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

1013454440 is a wasteful number, since it uses less digits than its factorization.

1013454440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25336372 (or 25336368 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1013454440 is about 31834.7991983615. The cubic root of 1013454440 is about 1004.4648487899.

Adding to 1013454440 its reverse (444543101), we get a palindrome (1457997541).

The spelling of 1013454440 in words is "one billion, thirteen million, four hundred fifty-four thousand, four hundred forty".