421433404421302 has 96 divisors (see below), whose sum is σ = 824434066667520. Its totient is φ = 157763088288000.

The previous prime is 421433404421291. The next prime is 421433404421399. The reversal of 421433404421302 is 203124404334124.

It is a super-2 number, since 2×421433404421302² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33363802 + ... + 44226802.

It is an arithmetic number, because the mean of its divisors is an integer number (8587854861120).

Almost surely, 2^{421433404421302} is an apocalyptic number.

421433404421302 is a deficient number, since it is larger than the sum of its proper divisors (403000662246218).

421433404421302 is a wasteful number, since it uses less digits than its factorization.

421433404421302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10863918 (or 10863905 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 37.

Adding to 421433404421302 its reverse (203124404334124), we get a palindrome (624557808755426).

The spelling of 421433404421302 in words is "four hundred twenty-one trillion, four hundred thirty-three billion, four hundred four million, four hundred twenty-one thousand, three hundred two".