1512314340 has 24 divisors (see below), whose sum is σ = 4234480320. Its totient is φ = 403283808.

The previous prime is 1512314333. The next prime is 1512314341. The reversal of 1512314340 is 434132151.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1512314340.

It is not an unprimeable number, because it can be changed into a prime (1512314341) 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 7 ways as a sum of consecutive naturals, for example, 12602560 + ... + 12602679.

It is an arithmetic number, because the mean of its divisors is an integer number (176436680).

Almost surely, 2^1512314340 is an apocalyptic number.

1512314340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1512314340 is an abundant number, since it is smaller than the sum of its proper divisors (2722165980).

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

1512314340 is a wasteful number, since it uses less digits than its factorization.

1512314340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25205251 (or 25205249 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1512314340 is about 38888.4859566427. The cubic root of 1512314340 is about 1147.8382426162.

Adding to 1512314340 its reverse (434132151), we get a palindrome (1946446491).

The spelling of 1512314340 in words is "one billion, five hundred twelve million, three hundred fourteen thousand, three hundred forty".