1500016040 has 32 divisors (see below), whose sum is σ = 3377448360. Its totient is φ = 599577600.

The previous prime is 1500016019. The next prime is 1500016043. The reversal of 1500016040 is 406100051.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1337657476 + 162358564 = 36574^2 + 12742^2 .

It is not an unprimeable number, because it can be changed into a prime (1500016043) 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, 46580 + ... + 71900.

Almost surely, 2^1500016040 is an apocalyptic number.

1500016040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1500016040 is an abundant number, since it is smaller than the sum of its proper divisors (1877432320).

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

1500016040 is a wasteful number, since it uses less digits than its factorization.

1500016040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26813 (or 26809 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1500016040 is about 38730.0405370302. The cubic root of 1500016040 is about 1144.7183228091.

Adding to 1500016040 its reverse (406100051), we get a palindrome (1906116091).

The spelling of 1500016040 in words is "one billion, five hundred million, sixteen thousand, forty".