1542736328 has 64 divisors (see below), whose sum is σ = 3419750400. Its totient is φ = 638487360.

The previous prime is 1542736291. The next prime is 1542736333. The reversal of 1542736328 is 8236372451.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1594901 + ... + 1595867.

It is an arithmetic number, because the mean of its divisors is an integer number (53433600).

Almost surely, 2^1542736328 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 1542736328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1709875200).

1542736328 is an abundant number, since it is smaller than the sum of its proper divisors (1877014072).

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

1542736328 is a wasteful number, since it uses less digits than its factorization.

1542736328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930 (or 1926 counting only the distinct ones).

The product of its digits is 241920, while the sum is 41.

The square root of 1542736328 is about 39277.6823145155. The cubic root of 1542736328 is about 1155.4839093454.

The spelling of 1542736328 in words is "one billion, five hundred forty-two million, seven hundred thirty-six thousand, three hundred twenty-eight".