103440532830 has 128 divisors (see below), whose sum is σ = 267146380800. Its totient is φ = 25554714624.

The previous prime is 103440532817. The next prime is 103440532837. The reversal of 103440532830 is 38235044301.

It is a junction number, because it is equal to n+sod(n) for n = 103440532791 and 103440532800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103440532837) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6482622 + ... + 6498558.

It is an arithmetic number, because the mean of its divisors is an integer number (2087081100).

Almost surely, 2^103440532830 is an apocalyptic number.

103440532830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 103440532830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133573190400).

103440532830 is an abundant number, since it is smaller than the sum of its proper divisors (163705847970).

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

103440532830 is a wasteful number, since it uses less digits than its factorization.

103440532830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16218.

The product of its (nonzero) digits is 34560, while the sum is 33.

The spelling of 103440532830 in words is "one hundred three billion, four hundred forty million, five hundred thirty-two thousand, eight hundred thirty".