1415253440 has 28 divisors (see below), whose sum is σ = 3370073016. Its totient is φ = 566101248.

The previous prime is 1415253419. The next prime is 1415253467. The reversal of 1415253440 is 443525141.

It is a congruent number.

It is an unprimeable number.

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, 2211014 + ... + 2211653.

Almost surely, 2^1415253440 is an apocalyptic number.

1415253440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1415253440 is an abundant number, since it is smaller than the sum of its proper divisors (1954819576).

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

1415253440 is an equidigital number, since it uses as much as digits as its factorization.

1415253440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4422684 (or 4422674 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 1415253440 is about 37619.8543325197. The cubic root of 1415253440 is about 1122.7370980451.

Adding to 1415253440 its reverse (443525141), we get a palindrome (1858778581).

The spelling of 1415253440 in words is "one billion, four hundred fifteen million, two hundred fifty-three thousand, four hundred forty".