406126621604 has 24 divisors (see below), whose sum is σ = 775352440128. Its totient is φ = 184598295840.

The previous prime is 406126621597. The next prime is 406126621633.

406126621604 is nontrivially palindromic in base 10.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2089217 + ... + 2275319.

It is an arithmetic number, because the mean of its divisors is an integer number (32306351672).

Almost surely, 2^406126621604 is an apocalyptic number.

406126621604 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

406126621604 is a deficient number, since it is larger than the sum of its proper divisors (369225818524).

406126621604 is a wasteful number, since it uses less digits than its factorization.

406126621604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235715 (or 235713 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 406126621604 in words is "four hundred six billion, one hundred twenty-six million, six hundred twenty-one thousand, six hundred four".