1542636251232 has 96 divisors (see below), whose sum is σ = 4288760802144. Its totient is φ = 483835699200.

The previous prime is 1542636251231. The next prime is 1542636251237. The reversal of 1542636251232 is 2321526362451.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542636251231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6112182 + ... + 6359562.

It is an arithmetic number, because the mean of its divisors is an integer number (44674591689).

Almost surely, 2^{1542636251232} is an apocalyptic number.

1542636251232 is a gapful number since it is divisible by the number (12) 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 1542636251232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2144380401072).

1542636251232 is an abundant number, since it is smaller than the sum of its proper divisors (2746124550912).

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

1542636251232 is a wasteful number, since it uses less digits than its factorization.

1542636251232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251232 (or 251224 counting only the distinct ones).

The product of its digits is 518400, while the sum is 42.

The spelling of 1542636251232 in words is "one trillion, five hundred forty-two billion, six hundred thirty-six million, two hundred fifty-one thousand, two hundred thirty-two".