42247236555 has 16 divisors (see below), whose sum is σ = 75106198560. Its totient is φ = 22531859424.

The previous prime is 42247236541. The next prime is 42247236599. The reversal of 42247236555 is 55563274224.

42247236555 is a `hidden beast` number, since 4 + 2 + 24 + 72 + 3 + 6 + 555 = 666.

It is not a de Polignac number, because 42247236555 - 2⁹ = 42247236043 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 42247236555.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 156471112 + ... + 156471381.

It is an arithmetic number, because the mean of its divisors is an integer number (4694137410).

Almost surely, 2^42247236555 is an apocalyptic number.

42247236555 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42247236555 is a deficient number, since it is larger than the sum of its proper divisors (32858962005).

42247236555 is a wasteful number, since it uses less digits than its factorization.

42247236555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312942507 (or 312942501 counting only the distinct ones).

The product of its digits is 2016000, while the sum is 45.

The spelling of 42247236555 in words is "forty-two billion, two hundred forty-seven million, two hundred thirty-six thousand, five hundred fifty-five".