1540532646232 has 32 divisors (see below), whose sum is σ = 2908015771680. Its totient is φ = 765070420480.

The previous prime is 1540532646193. The next prime is 1540532646251. The reversal of 1540532646232 is 2326462350451.

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, 887088 + ... + 1966720.

It is an arithmetic number, because the mean of its divisors is an integer number (90875492865).

Almost surely, 2^{1540532646232} is an apocalyptic number.

It is an amenable number.

1540532646232 is a deficient number, since it is larger than the sum of its proper divisors (1367483125448).

1540532646232 is a wasteful number, since it uses less digits than its factorization.

1540532646232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080843 (or 1080839 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 43.

Adding to 1540532646232 its reverse (2326462350451), we get a palindrome (3866994996683).

The spelling of 1540532646232 in words is "one trillion, five hundred forty billion, five hundred thirty-two million, six hundred forty-six thousand, two hundred thirty-two".