421034124004 has 24 divisors (see below), whose sum is σ = 793568500088. Its totient is φ = 194303577600.

The previous prime is 421034123959. The next prime is 421034124019. The reversal of 421034124004 is 400421430124.

It can be written as a sum of positive squares in 4 ways, for example, as 156064502500 + 264969621504 = 395050^2 + 514752^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 421034124004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105964 + ... + 923740.

Almost surely, 2^421034124004 is an apocalyptic number.

It is an amenable number.

421034124004 is a deficient number, since it is larger than the sum of its proper divisors (372534376084).

421034124004 is a wasteful number, since it uses less digits than its factorization.

421034124004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827695 (or 827693 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 421034124004 its reverse (400421430124), we get a palindrome (821455554128).

The spelling of 421034124004 in words is "four hundred twenty-one billion, thirty-four million, one hundred twenty-four thousand, four".