42000177255 has 16 divisors (see below), whose sum is σ = 70737141120. Its totient is φ = 21221142048.

The previous prime is 42000177251. The next prime is 42000177277. The reversal of 42000177255 is 55277100024.

It is not a de Polignac number, because 42000177255 - 2² = 42000177251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42000177251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73684237 + ... + 73684806.

It is an arithmetic number, because the mean of its divisors is an integer number (4421071320).

Almost surely, 2^42000177255 is an apocalyptic number.

42000177255 is a deficient number, since it is larger than the sum of its proper divisors (28736963865).

42000177255 is a wasteful number, since it uses less digits than its factorization.

42000177255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147369070.

The product of its (nonzero) digits is 19600, while the sum is 33.

Adding to 42000177255 its reverse (55277100024), we get a palindrome (97277277279).

The spelling of 42000177255 in words is "forty-two billion, one hundred seventy-seven thousand, two hundred fifty-five".