1540142352232 has 48 divisors (see below), whose sum is σ = 3175406388000. Its totient is φ = 699789156000.

The previous prime is 1540142352209. The next prime is 1540142352239. The reversal of 1540142352232 is 2322532410451.

It is not an unprimeable number, because it can be changed into a prime (1540142352239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2157519 + ... + 2781217.

It is an arithmetic number, because the mean of its divisors is an integer number (66154299750).

Almost surely, 2^{1540142352232} is an apocalyptic number.

It is an amenable number.

1540142352232 is an abundant number, since it is smaller than the sum of its proper divisors (1635264035768).

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

1540142352232 is a wasteful number, since it uses less digits than its factorization.

1540142352232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626278 (or 626263 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 1540142352232 its reverse (2322532410451), we get a palindrome (3862674762683).

The spelling of 1540142352232 in words is "one trillion, five hundred forty billion, one hundred forty-two million, three hundred fifty-two thousand, two hundred thirty-two".