42878326824201 has 64 divisors (see below), whose sum is σ = 66401807892480. Its totient is φ = 24338962347840.

The previous prime is 42878326824197. The next prime is 42878326824251. The reversal of 42878326824201 is 10242862387824.

It is not a de Polignac number, because 42878326824201 - 2² = 42878326824197 is a prime.

It is a super-2 number, since 2×42878326824201² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (42878326824251) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21583636 + ... + 23486378.

It is an arithmetic number, because the mean of its divisors is an integer number (1037528248320).

Almost surely, 2^{42878326824201} is an apocalyptic number.

It is an amenable number.

42878326824201 is a deficient number, since it is larger than the sum of its proper divisors (23523481068279).

42878326824201 is a wasteful number, since it uses less digits than its factorization.

42878326824201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1903186.

The product of its (nonzero) digits is 16515072, while the sum is 57.

The spelling of 42878326824201 in words is "forty-two trillion, eight hundred seventy-eight billion, three hundred twenty-six million, eight hundred twenty-four thousand, two hundred one".