3400120040242 has 16 divisors (see below), whose sum is σ = 5147929588032. Its totient is φ = 1684144031440.

The previous prime is 3400120040227. The next prime is 3400120040243. The reversal of 3400120040242 is 2420400210043.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3400120040243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20878692 + ... + 21040912.

It is an arithmetic number, because the mean of its divisors is an integer number (321745599252).

Almost surely, 2^{3400120040242} is an apocalyptic number.

3400120040242 is a deficient number, since it is larger than the sum of its proper divisors (1747809547790).

3400120040242 is a wasteful number, since it uses less digits than its factorization.

3400120040242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260273.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 3400120040242 its reverse (2420400210043), we get a palindrome (5820520250285).

The spelling of 3400120040242 in words is "three trillion, four hundred billion, one hundred twenty million, forty thousand, two hundred forty-two".