1542608438 has 16 divisors (see below), whose sum is σ = 2647163904. Its totient is φ = 660444840.

The previous prime is 1542608437. The next prime is 1542608449. The reversal of 1542608438 is 8348062451.

It is a junction number, because it is equal to n+sod(n) for n = 1542608395 and 1542608404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542608437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41720 + ... + 69467.

It is an arithmetic number, because the mean of its divisors is an integer number (165447744).

Almost surely, 2^1542608438 is an apocalyptic number.

1542608438 is a deficient number, since it is larger than the sum of its proper divisors (1104555466).

1542608438 is a wasteful number, since it uses less digits than its factorization.

1542608438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112187.

The product of its (nonzero) digits is 184320, while the sum is 41.

The square root of 1542608438 is about 39276.0542570152. The cubic root of 1542608438 is about 1155.4519793005.

The spelling of 1542608438 in words is "one billion, five hundred forty-two million, six hundred eight thousand, four hundred thirty-eight".