1540213535352 has 32 divisors (see below), whose sum is σ = 3974744609280. Its totient is φ = 496843075680.

The previous prime is 1540213535279. The next prime is 1540213535353. The reversal of 1540213535352 is 2535353120451.

It is a self number, because there is not a number n which added to its sum of digits gives 1540213535352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1540213535353) 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, 1035088998 + ... + 1035090485.

It is an arithmetic number, because the mean of its divisors is an integer number (124210769040).

Almost surely, 2^{1540213535352} is an apocalyptic number.

1540213535352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1540213535352 is an abundant number, since it is smaller than the sum of its proper divisors (2434531073928).

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

1540213535352 is a wasteful number, since it uses less digits than its factorization.

1540213535352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070179523 (or 2070179519 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 39.

The spelling of 1540213535352 in words is "one trillion, five hundred forty billion, two hundred thirteen million, five hundred thirty-five thousand, three hundred fifty-two".