42212140455 has 16 divisors (see below), whose sum is σ = 69110110080. Its totient is φ = 21989579808.

The previous prime is 42212140447. The next prime is 42212140471. The reversal of 42212140455 is 55404121224.

It is not a de Polignac number, because 42212140455 - 2³ = 42212140447 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32721945 + ... + 32723234.

It is an arithmetic number, because the mean of its divisors is an integer number (4319381880).

Almost surely, 2^42212140455 is an apocalyptic number.

42212140455 is a deficient number, since it is larger than the sum of its proper divisors (26897969625).

42212140455 is a wasteful number, since it uses less digits than its factorization.

42212140455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65445230.

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 42212140455 its reverse (55404121224), we get a palindrome (97616261679).

The spelling of 42212140455 in words is "forty-two billion, two hundred twelve million, one hundred forty thousand, four hundred fifty-five".