421654300430 has 32 divisors (see below), whose sum is σ = 848170255968. Its totient is φ = 149589107200.

The previous prime is 421654300429. The next prime is 421654300439. The reversal of 421654300430 is 34003456124.

It is a super-2 number, since 2×421654300430² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421654300439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46742087 + ... + 46751106.

It is an arithmetic number, because the mean of its divisors is an integer number (26505320499).

Almost surely, 2^421654300430 is an apocalyptic number.

421654300430 is an abundant number, since it is smaller than the sum of its proper divisors (426515955538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421654300430 is a wasteful number, since it uses less digits than its factorization.

421654300430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93493252.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 421654300430 its reverse (34003456124), we get a palindrome (455657756554).

The spelling of 421654300430 in words is "four hundred twenty-one billion, six hundred fifty-four million, three hundred thousand, four hundred thirty".