1030432140 has 72 divisors (see below), whose sum is σ = 3141618480. Its totient is φ = 273377664.

The previous prime is 1030432103. The next prime is 1030432163. The reversal of 1030432140 is 412340301.

1030432140 is a `hidden beast` number, since 1 + 0 + 304 + 321 + 40 = 666.

1030432140 is an esthetic number in base 14, because in such base its adjacent digits differ by 1.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 20931 + ... + 49989.

It is an arithmetic number, because the mean of its divisors is an integer number (43633590).

Almost surely, 2^1030432140 is an apocalyptic number.

1030432140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1030432140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1570809240).

1030432140 is an abundant number, since it is smaller than the sum of its proper divisors (2111186340).

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

1030432140 is a wasteful number, since it uses less digits than its factorization.

1030432140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29271 (or 29266 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1030432140 is about 32100.3448579606. The cubic root of 1030432140 is about 1010.0428501900.

Adding to 1030432140 its reverse (412340301), we get a palindrome (1442772441).

The spelling of 1030432140 in words is "one billion, thirty million, four hundred thirty-two thousand, one hundred forty".