42256000440 has 96 divisors (see below), whose sum is σ = 137362492800. Its totient is φ = 11265765120.

The previous prime is 42256000429. The next prime is 42256000441. The reversal of 42256000440 is 4400065224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42256000441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2074626 + ... + 2094894.

It is an arithmetic number, because the mean of its divisors is an integer number (1430859300).

Almost surely, 2^42256000440 is an apocalyptic number.

42256000440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42256000440 is an abundant number, since it is smaller than the sum of its proper divisors (95106492360).

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

42256000440 is a wasteful number, since it uses less digits than its factorization.

42256000440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26077 (or 26070 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 42256000440 its reverse (4400065224), we get a palindrome (46656065664).

The spelling of 42256000440 in words is "forty-two billion, two hundred fifty-six million, four hundred forty", and thus it is an aban number.