1534500040 has 64 divisors (see below), whose sum is σ = 3643516800. Its totient is φ = 580027392.

The previous prime is 1534500017. The next prime is 1534500049. The reversal of 1534500040 is 400054351.

It is a junction number, because it is equal to n+sod(n) for n = 1534499984 and 1534500020.

It is not an unprimeable number, because it can be changed into a prime (1534500049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 326749 + ... + 331411.

It is an arithmetic number, because the mean of its divisors is an integer number (56929950).

Almost surely, 2^1534500040 is an apocalyptic number.

1534500040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1534500040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1821758400).

1534500040 is an abundant number, since it is smaller than the sum of its proper divisors (2109016760).

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

1534500040 is a wasteful number, since it uses less digits than its factorization.

1534500040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5126 (or 5122 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 1534500040 is about 39172.6950821615. The cubic root of 1534500040 is about 1153.4239581151.

Adding to 1534500040 its reverse (400054351), we get a palindrome (1934554391).

The spelling of 1534500040 in words is "one billion, five hundred thirty-four million, five hundred thousand, forty".