428676040578 has 32 divisors (see below), whose sum is σ = 883694154816. Its totient is φ = 138550180608.

The previous prime is 428676040561. The next prime is 428676040579. The reversal of 428676040578 is 875040676824.

It is a super-2 number, since 2×428676040578² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (428676040579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6028651 + ... + 6099342.

It is an arithmetic number, because the mean of its divisors is an integer number (27615442338).

Almost surely, 2^428676040578 is an apocalyptic number.

428676040578 is an abundant number, since it is smaller than the sum of its proper divisors (455018114238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

428676040578 is a wasteful number, since it uses less digits than its factorization.

428676040578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12128178.

The product of its (nonzero) digits is 18063360, while the sum is 57.

The spelling of 428676040578 in words is "four hundred twenty-eight billion, six hundred seventy-six million, forty thousand, five hundred seventy-eight".