42212046556 has 48 divisors (see below), whose sum is σ = 78201801216. Its totient is φ = 19897258304.

The previous prime is 42212046517. The next prime is 42212046599. The reversal of 42212046556 is 65564021224.

It is a happy number.

It is a super-2 number, since 2×42212046556² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1928385 + ... + 1950151.

It is an arithmetic number, because the mean of its divisors is an integer number (1629204192).

Almost surely, 2^42212046556 is an apocalyptic number.

42212046556 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

42212046556 is a deficient number, since it is larger than the sum of its proper divisors (35989754660).

42212046556 is a wasteful number, since it uses less digits than its factorization.

42212046556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22098 (or 22096 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 42212046556 in words is "forty-two billion, two hundred twelve million, forty-six thousand, five hundred fifty-six".