42490142149 has 32 divisors (see below), whose sum is σ = 55075328000. Its totient is φ = 31833342144.

The previous prime is 42490142117. The next prime is 42490142153. The reversal of 42490142149 is 94124109424.

It is a happy number.

42490142149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 42490142149 - 2⁵ = 42490142117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42490145149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4385092 + ... + 4394770.

It is an arithmetic number, because the mean of its divisors is an integer number (1721104000).

Almost surely, 2^42490142149 is an apocalyptic number.

It is an amenable number.

42490142149 is a deficient number, since it is larger than the sum of its proper divisors (12585185851).

42490142149 is a wasteful number, since it uses less digits than its factorization.

42490142149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12257.

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 42490142149 in words is "forty-two billion, four hundred ninety million, one hundred forty-two thousand, one hundred forty-nine".