1015244040 has 32 divisors (see below), whose sum is σ = 3045732480. Its totient is φ = 270731712.

The previous prime is 1015244011. The next prime is 1015244051. The reversal of 1015244040 is 404425101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1015243998 and 1015244016.

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, 4230064 + ... + 4230303.

It is an arithmetic number, because the mean of its divisors is an integer number (95179140).

Almost surely, 2^1015244040 is an apocalyptic number.

1015244040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1015244040 is an abundant number, since it is smaller than the sum of its proper divisors (2030488440).

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

1015244040 is a wasteful number, since it uses less digits than its factorization.

1015244040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8460381 (or 8460377 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 1015244040 is about 31862.8944071313. The cubic root of 1015244040 is about 1005.0557430530.

Adding to 1015244040 its reverse (404425101), we get a palindrome (1419669141).

The spelling of 1015244040 in words is "one billion, fifteen million, two hundred forty-four thousand, forty".