1542033540 has 72 divisors (see below), whose sum is σ = 4923696960. Its totient is φ = 389565504.

The previous prime is 1542033529. The next prime is 1542033547. The reversal of 1542033540 is 453302451.

It is not an unprimeable number, because it can be changed into a prime (1542033547) 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, 222024 + ... + 228863.

It is an arithmetic number, because the mean of its divisors is an integer number (68384680).

Almost surely, 2^1542033540 is an apocalyptic number.

1542033540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1542033540 is an abundant number, since it is smaller than the sum of its proper divisors (3381663420).

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

1542033540 is a wasteful number, since it uses less digits than its factorization.

1542033540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450921 (or 450916 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 1542033540 is about 39268.7348917685. The cubic root of 1542033540 is about 1155.3084238455.

Adding to 1542033540 its reverse (453302451), we get a palindrome (1995335991).

The spelling of 1542033540 in words is "one billion, five hundred forty-two million, thirty-three thousand, five hundred forty".