42888408687249 has 32 divisors (see below), whose sum is σ = 57893619369600. Its totient is φ = 28238489917440.

The previous prime is 42888408687169. The next prime is 42888408687253. The reversal of 42888408687249 is 94278680488824.

It is not a de Polignac number, because 42888408687249 - 2¹¹ = 42888408685201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42888408687259) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1111972437 + ... + 1112011005.

It is an arithmetic number, because the mean of its divisors is an integer number (1809175605300).

Almost surely, 2^{42888408687249} is an apocalyptic number.

It is an amenable number.

42888408687249 is a deficient number, since it is larger than the sum of its proper divisors (15005210682351).

42888408687249 is a wasteful number, since it uses less digits than its factorization.

42888408687249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43345.

The product of its (nonzero) digits is 3170893824, while the sum is 78.

The spelling of 42888408687249 in words is "forty-two trillion, eight hundred eighty-eight billion, four hundred eight million, six hundred eighty-seven thousand, two hundred forty-nine".