628400004826 has 64 divisors (see below), whose sum is σ = 1067768013312. Its totient is φ = 274881600000.

The previous prime is 628400004821. The next prime is 628400004829.

628400004826 is nontrivially palindromic in base 10.

It is a Smith number, since the sum of its digits (40) 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 (628400004821) 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, 24675916 + ... + 24701368.

It is an arithmetic number, because the mean of its divisors is an integer number (16683875208).

Almost surely, 2^628400004826 is an apocalyptic number.

628400004826 is a deficient number, since it is larger than the sum of its proper divisors (439368008486).

628400004826 is a wasteful number, since it uses less digits than its factorization.

628400004826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25879.

The product of its (nonzero) digits is 147456, while the sum is 40.

It can be divided in two parts, 62840000 and 4826, that added together give a palindrome (62844826).

The spelling of 628400004826 in words is "six hundred twenty-eight billion, four hundred million, four thousand, eight hundred twenty-six".