1500016340 has 12 divisors (see below), whose sum is σ = 3150034356. Its totient is φ = 600006528.

The previous prime is 1500016339. The next prime is 1500016363. The reversal of 1500016340 is 436100051.

It can be written as a sum of positive squares in 2 ways, for example, as 665846416 + 834169924 = 25804^2 + 28882^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 75000817 = 1500016340 / (1 + 5 + 0 + 0 + 0 + 1 + 6 + 3 + 4 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37500389 + ... + 37500428.

It is an arithmetic number, because the mean of its divisors is an integer number (262502863).

Almost surely, 2^1500016340 is an apocalyptic number.

1500016340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1500016340 is an abundant number, since it is smaller than the sum of its proper divisors (1650018016).

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

1500016340 is a wasteful number, since it uses less digits than its factorization.

1500016340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75000826 (or 75000824 counting only the distinct ones).

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

The square root of 1500016340 is about 38730.0444099926. The cubic root of 1500016340 is about 1144.7183991228.

Adding to 1500016340 its reverse (436100051), we get a palindrome (1936116391).

The spelling of 1500016340 in words is "one billion, five hundred million, sixteen thousand, three hundred forty".