1340124240442 has 32 divisors (see below), whose sum is σ = 2254639169664. Its totient is φ = 593326036800.

The previous prime is 1340124240439. The next prime is 1340124240463. The reversal of 1340124240442 is 2440424210431.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9741984 + ... + 9878587.

It is an arithmetic number, because the mean of its divisors is an integer number (70457474052).

Almost surely, 2^{1340124240442} is an apocalyptic number.

1340124240442 is a deficient number, since it is larger than the sum of its proper divisors (914514929222).

1340124240442 is a wasteful number, since it uses less digits than its factorization.

1340124240442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19620694.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 1340124240442 its reverse (2440424210431), we get a palindrome (3780548450873).

The spelling of 1340124240442 in words is "one trillion, three hundred forty billion, one hundred twenty-four million, two hundred forty thousand, four hundred forty-two".