1542350394 has 48 divisors (see below), whose sum is σ = 3624784800. Its totient is φ = 471145248.

The previous prime is 1542350371. The next prime is 1542350443. The reversal of 1542350394 is 4930532451.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8817 + ... + 56235.

It is an arithmetic number, because the mean of its divisors is an integer number (75516350).

Almost surely, 2^1542350394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1542350394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1812392400).

1542350394 is an abundant number, since it is smaller than the sum of its proper divisors (2082434406).

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

1542350394 is a wasteful number, since it uses less digits than its factorization.

1542350394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47579 (or 47576 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 1542350394 is about 39272.7691155080. The cubic root of 1542350394 is about 1155.3875485891.

The spelling of 1542350394 in words is "one billion, five hundred forty-two million, three hundred fifty thousand, three hundred ninety-four".