1512313040 has 40 divisors (see below), whose sum is σ = 4018433280. Its totient is φ = 518507136.

The previous prime is 1512313001. The next prime is 1512313051. The reversal of 1512313040 is 403132151.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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, 1349720 + ... + 1350839.

It is an arithmetic number, because the mean of its divisors is an integer number (100460832).

Almost surely, 2^1512313040 is an apocalyptic number.

1512313040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1512313040 is an abundant number, since it is smaller than the sum of its proper divisors (2506120240).

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

1512313040 is a wasteful number, since it uses less digits than its factorization.

1512313040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2700579 (or 2700573 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1512313040 is about 38888.4692421803. The cubic root of 1512313040 is about 1147.8379137185.

Adding to 1512313040 its reverse (403132151), we get a palindrome (1915445191).

The spelling of 1512313040 in words is "one billion, five hundred twelve million, three hundred thirteen thousand, forty".