1013040040 has 32 divisors (see below), whose sum is σ = 2280555360. Its totient is φ = 405000000.

The previous prime is 1013040031. The next prime is 1013040059. The reversal of 1013040040 is 400403101.

It is a self number, because there is not a number n which added to its sum of digits gives 1013040040.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84415 + ... + 95665.

It is an arithmetic number, because the mean of its divisors is an integer number (71267355).

Almost surely, 2^1013040040 is an apocalyptic number.

1013040040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013040040 is an abundant number, since it is smaller than the sum of its proper divisors (1267515320).

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

1013040040 is a wasteful number, since it uses less digits than its factorization.

1013040040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13513 (or 13509 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1013040040 is about 31828.2899320714. The cubic root of 1013040040 is about 1004.3279220686.

Adding to 1013040040 its reverse (400403101), we get a palindrome (1413443141).

The spelling of 1013040040 in words is "one billion, thirteen million, forty thousand, forty".