1542541406 has 16 divisors (see below), whose sum is σ = 2661872640. Its totient is φ = 656710200.

The previous prime is 1542541379. The next prime is 1542541411. The reversal of 1542541406 is 6041452451.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362726 + ... + 366953.

It is an arithmetic number, because the mean of its divisors is an integer number (166367040).

Almost surely, 2^1542541406 is an apocalyptic number.

1542541406 is a deficient number, since it is larger than the sum of its proper divisors (1119331234).

1542541406 is a wasteful number, since it uses less digits than its factorization.

1542541406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729839.

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 1542541406 is about 39275.2009033690. The cubic root of 1542541406 is about 1155.4352428479.

Adding to 1542541406 its reverse (6041452451), we get a palindrome (7583993857).

The spelling of 1542541406 in words is "one billion, five hundred forty-two million, five hundred forty-one thousand, four hundred six".