421262230445 has 32 divisors (see below), whose sum is σ = 585107677440. Its totient is φ = 285196101120.

The previous prime is 421262230429. The next prime is 421262230457. The reversal of 421262230445 is 544032262124.

It is not a de Polignac number, because 421262230445 - 2⁴ = 421262230429 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 875534 + ... + 1268496.

It is an arithmetic number, because the mean of its divisors is an integer number (18284614920).

Almost surely, 2^421262230445 is an apocalyptic number.

It is an amenable number.

421262230445 is a deficient number, since it is larger than the sum of its proper divisors (163845446995).

421262230445 is a wasteful number, since it uses less digits than its factorization.

421262230445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393365.

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 421262230445 its reverse (544032262124), we get a palindrome (965294492569).

The spelling of 421262230445 in words is "four hundred twenty-one billion, two hundred sixty-two million, two hundred thirty thousand, four hundred forty-five".