30400043000 has 96 divisors (see below), whose sum is σ = 74364741360. Its totient is φ = 11631118400.

The previous prime is 30400042987. The next prime is 30400043017. The reversal of 30400043000 is 34000403.

It is a super-2 number, since 2×30400043000² (a number of 22 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 23 ways as a sum of consecutive naturals, for example, 500267 + ... + 557733.

Almost surely, 2^30400043000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30400043000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37182370680).

30400043000 is an abundant number, since it is smaller than the sum of its proper divisors (43964698360).

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

30400043000 is a wasteful number, since it uses less digits than its factorization.

30400043000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57534 (or 57497 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

Adding to 30400043000 its reverse (34000403), we get a palindrome (30434043403).

The spelling of 30400043000 in words is "thirty billion, four hundred million, forty-three thousand".