1506532643340 has 96 divisors (see below), whose sum is σ = 4272671047680. Its totient is φ = 396565368576.

The previous prime is 1506532643327. The next prime is 1506532643377. The reversal of 1506532643340 is 433462356051.

It is a junction number, because it is equal to n+sod(n) for n = 1506532643292 and 1506532643301.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21945109 + ... + 22013651.

It is an arithmetic number, because the mean of its divisors is an integer number (44506990080).

Almost surely, 2^{1506532643340} is an apocalyptic number.

1506532643340 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 1506532643340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2136335523840).

1506532643340 is an abundant number, since it is smaller than the sum of its proper divisors (2766138404340).

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

1506532643340 is a wasteful number, since it uses less digits than its factorization.

1506532643340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73271 (or 73269 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 42.

Adding to 1506532643340 its reverse (433462356051), we get a palindrome (1939994999391).

The spelling of 1506532643340 in words is "one trillion, five hundred six billion, five hundred thirty-two million, six hundred forty-three thousand, three hundred forty".