1542028236 has 72 divisors (see below), whose sum is σ = 4190840640. Its totient is φ = 440018208.

The previous prime is 1542028207. The next prime is 1542028237. The reversal of 1542028236 is 6328202451.

It is a junction number, because it is equal to n+sod(n) for n = 1542028197 and 1542028206.

It is not an unprimeable number, because it can be changed into a prime (1542028237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 739251 + ... + 741333.

It is an arithmetic number, because the mean of its divisors is an integer number (58206120).

Almost surely, 2^1542028236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1542028236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2095420320).

1542028236 is an abundant number, since it is smaller than the sum of its proper divisors (2648812404).

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

1542028236 is a wasteful number, since it uses less digits than its factorization.

1542028236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3363 (or 3354 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 1542028236 is about 39268.6673570673. The cubic root of 1542028236 is about 1155.3070992390.

The spelling of 1542028236 in words is "one billion, five hundred forty-two million, twenty-eight thousand, two hundred thirty-six".