1540541023252 has 48 divisors (see below), whose sum is σ = 3365335693440. Its totient is φ = 599468774400.

The previous prime is 1540541023237. The next prime is 1540541023303. The reversal of 1540541023252 is 2523201450451.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2842149 + ... + 3340492.

It is an arithmetic number, because the mean of its divisors is an integer number (70111160280).

Almost surely, 2^{1540541023252} is an apocalyptic number.

It is an amenable number.

1540541023252 is an abundant number, since it is smaller than the sum of its proper divisors (1824794670188).

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

1540541023252 is a wasteful number, since it uses less digits than its factorization.

1540541023252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6183472 (or 6183470 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

The spelling of 1540541023252 in words is "one trillion, five hundred forty billion, five hundred forty-one million, twenty-three thousand, two hundred fifty-two".