42766506721401 has 8 divisors (see below), whose sum is σ = 57022040133120. Its totient is φ = 28510988895312.

The previous prime is 42766506721373. The next prime is 42766506721403. The reversal of 42766506721401 is 10412760566724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42766506721401 - 2⁵ = 42766506721369 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42766506721403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6372136 + ... + 11231078.

It is an arithmetic number, because the mean of its divisors is an integer number (7127755016640).

Almost surely, 2^{42766506721401} is an apocalyptic number.

It is an amenable number.

42766506721401 is a deficient number, since it is larger than the sum of its proper divisors (14255533411719).

42766506721401 is a wasteful number, since it uses less digits than its factorization.

42766506721401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7792815.

The product of its (nonzero) digits is 3386880, while the sum is 51.

The spelling of 42766506721401 in words is "forty-two trillion, seven hundred sixty-six billion, five hundred six million, seven hundred twenty-one thousand, four hundred one".