1542040344002 has 4 divisors (see below), whose sum is σ = 2313060516006. Its totient is φ = 771020172000.

The previous prime is 1542040343989. The next prime is 1542040344037. The reversal of 1542040344002 is 2004430402451.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1332641668801 + 209398675201 = 1154401^2 + 457601^2 .

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 as a sum of consecutive naturals, namely, 385510085999 + ... + 385510086002.

Almost surely, 2^{1542040344002} is an apocalyptic number.

1542040344002 is a deficient number, since it is larger than the sum of its proper divisors (771020172004).

1542040344002 is an equidigital number, since it uses as much as digits as its factorization.

1542040344002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771020172003.

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 1542040344002 its reverse (2004430402451), we get a palindrome (3546470746453).

The spelling of 1542040344002 in words is "one trillion, five hundred forty-two billion, forty million, three hundred forty-four thousand, two".