915012340 has 24 divisors (see below), whose sum is σ = 2096210592. Its totient is φ = 332731680.

The previous prime is 915012311. The next prime is 915012341. The reversal of 915012340 is 43210519.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (915012341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2079354 + ... + 2079793.

It is an arithmetic number, because the mean of its divisors is an integer number (87342108).

Almost surely, 2^915012340 is an apocalyptic number.

It is an amenable number.

915012340 is an abundant number, since it is smaller than the sum of its proper divisors (1181198252).

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

915012340 is a wasteful number, since it uses less digits than its factorization.

915012340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4159167 (or 4159165 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 915012340 is about 30249.1708977288. The cubic root of 915012340 is about 970.8280526196.

Adding to 915012340 its reverse (43210519), we get a palindrome (958222859).

The spelling of 915012340 in words is "nine hundred fifteen million, twelve thousand, three hundred forty".