42455238144 has 80 divisors (see below), whose sum is σ = 123385584960. Its totient is φ = 12865218560.

The previous prime is 42455238139. The next prime is 42455238149. The reversal of 42455238144 is 44183255424.

It is an interprime number because it is at equal distance from previous prime (42455238139) and next prime (42455238149).

It is a junction number, because it is equal to n+sod(n) for n = 42455238096 and 42455238105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42455238149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1239474 + ... + 1273265.

It is an arithmetic number, because the mean of its divisors is an integer number (1542319812).

Almost surely, 2^42455238144 is an apocalyptic number.

42455238144 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42455238144 is an abundant number, since it is smaller than the sum of its proper divisors (80930346816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42455238144 is a wasteful number, since it uses less digits than its factorization.

42455238144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2512771 (or 2512755 counting only the distinct ones).

The product of its digits is 614400, while the sum is 42.

The spelling of 42455238144 in words is "forty-two billion, four hundred fifty-five million, two hundred thirty-eight thousand, one hundred forty-four".