1542040412 has 12 divisors (see below), whose sum is σ = 2943895416. Its totient is φ = 700927440.

The previous prime is 1542040363. The next prime is 1542040439. The reversal of 1542040412 is 2140402451.

It is a super-2 number, since 2×1542040412² = 4755777264482259488, which contains 22 as substring.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 17523143 + ... + 17523230.

It is an arithmetic number, because the mean of its divisors is an integer number (245324618).

Almost surely, 2^1542040412 is an apocalyptic number.

It is an amenable number.

1542040412 is a deficient number, since it is larger than the sum of its proper divisors (1401855004).

1542040412 is a wasteful number, since it uses less digits than its factorization.

1542040412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35046388 (or 35046386 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 1542040412 is about 39268.8223913068. The cubic root of 1542040412 is about 1155.3101400355.

Adding to 1542040412 its reverse (2140402451), we get a palindrome (3682442863).

The spelling of 1542040412 in words is "one billion, five hundred forty-two million, forty thousand, four hundred twelve".