1542240412 has 24 divisors (see below), whose sum is σ = 2889129600. Its totient is φ = 718150896.

The previous prime is 1542240389. The next prime is 1542240437. The reversal of 1542240412 is 2140422451.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167488 + ... + 176455.

It is an arithmetic number, because the mean of its divisors is an integer number (120380400).

Almost surely, 2^1542240412 is an apocalyptic number.

It is an amenable number.

1542240412 is a deficient number, since it is larger than the sum of its proper divisors (1346889188).

1542240412 is a wasteful number, since it uses less digits than its factorization.

1542240412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344025 (or 344023 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 1542240412 is about 39271.3688582407. The cubic root of 1542240412 is about 1155.3600851251.

Adding to 1542240412 its reverse (2140422451), we get a palindrome (3682662863).

The spelling of 1542240412 in words is "one billion, five hundred forty-two million, two hundred forty thousand, four hundred twelve".