1542540330 has 96 divisors (see below), whose sum is σ = 4086583488. Its totient is φ = 403603200.

The previous prime is 1542540317. The next prime is 1542540331. The reversal of 1542540330 is 330452451.

1542540330 is digitally balanced in base 4 and base 6, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1542540294 and 1542540303.

It is not an unprimeable number, because it can be changed into a prime (1542540331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2960470 + ... + 2960990.

It is an arithmetic number, because the mean of its divisors is an integer number (42568578).

Almost surely, 2^1542540330 is an apocalyptic number.

1542540330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1542540330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2043291744).

1542540330 is an abundant number, since it is smaller than the sum of its proper divisors (2544043158).

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

1542540330 is a wasteful number, since it uses less digits than its factorization.

1542540330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092 (or 1089 counting only the distinct ones).

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

The square root of 1542540330 is about 39275.1872051554. The cubic root of 1542540330 is about 1155.4349741899.

Adding to 1542540330 its reverse (330452451), we get a palindrome (1872992781).

It can be divided in two parts, 15425 and 40330, that added together give a palindrome (55755).

The spelling of 1542540330 in words is "one billion, five hundred forty-two million, five hundred forty thousand, three hundred thirty".