30421433400 has 48 divisors (see below), whose sum is σ = 94306445400. Its totient is φ = 8112382080.

The previous prime is 30421433359. The next prime is 30421433401. The reversal of 30421433400 is 433412403.

It is a super-2 number, since 2×30421433400² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30421433401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25350595 + ... + 25351794.

Almost surely, 2^30421433400 is an apocalyptic number.

30421433400 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30421433400 is an abundant number, since it is smaller than the sum of its proper divisors (63885012000).

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

30421433400 is a wasteful number, since it uses less digits than its factorization.

30421433400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50702408 (or 50702399 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 30421433400 its reverse (433412403), we get a palindrome (30854845803).

The spelling of 30421433400 in words is "thirty billion, four hundred twenty-one million, four hundred thirty-three thousand, four hundred".