42667121455 has 32 divisors (see below), whose sum is σ = 59304038400. Its totient is φ = 28863499392.

The previous prime is 42667121437. The next prime is 42667121473. The reversal of 42667121455 is 55412176624.

It is an interprime number because it is at equal distance from previous prime (42667121437) and next prime (42667121473).

It is not a de Polignac number, because 42667121455 - 2⁷ = 42667121327 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3790726 + ... + 3801964.

It is an arithmetic number, because the mean of its divisors is an integer number (1853251200).

Almost surely, 2^42667121455 is an apocalyptic number.

42667121455 is a deficient number, since it is larger than the sum of its proper divisors (16636916945).

42667121455 is a wasteful number, since it uses less digits than its factorization.

42667121455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12703.

The product of its digits is 403200, while the sum is 43.

The spelling of 42667121455 in words is "forty-two billion, six hundred sixty-seven million, one hundred twenty-one thousand, four hundred fifty-five".