42140248755 has 32 divisors (see below), whose sum is σ = 75264456960. Its totient is φ = 19956478080.

The previous prime is 42140248741. The next prime is 42140248757. The reversal of 42140248755 is 55784204124.

It is not a de Polignac number, because 42140248755 - 2⁷ = 42140248627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42140248757) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2962620 + ... + 2976809.

It is an arithmetic number, because the mean of its divisors is an integer number (2352014280).

Almost surely, 2^42140248755 is an apocalyptic number.

42140248755 is a deficient number, since it is larger than the sum of its proper divisors (33124208205).

42140248755 is a wasteful number, since it uses less digits than its factorization.

42140248755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5939491.

The product of its (nonzero) digits is 358400, while the sum is 42.

The spelling of 42140248755 in words is "forty-two billion, one hundred forty million, two hundred forty-eight thousand, seven hundred fifty-five".