234430221380 has 24 divisors (see below), whose sum is σ = 492662083032. Its totient is φ = 93703780352.

The previous prime is 234430221349. The next prime is 234430221407. The reversal of 234430221380 is 83122034432.

It can be written as a sum of positive squares in 4 ways, for example, as 136965127744 + 97465093636 = 370088^2 + 312194^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4241117 + ... + 4296036.

It is an arithmetic number, because the mean of its divisors is an integer number (20527586793).

Almost surely, 2^234430221380 is an apocalyptic number.

234430221380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234430221380 is an abundant number, since it is smaller than the sum of its proper divisors (258231861652).

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

234430221380 is a wasteful number, since it uses less digits than its factorization.

234430221380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8538535 (or 8538533 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The spelling of 234430221380 in words is "two hundred thirty-four billion, four hundred thirty million, two hundred twenty-one thousand, three hundred eighty".