1405323030 has 64 divisors (see below), whose sum is σ = 3625896960. Its totient is φ = 347468544.

The previous prime is 1405322959. The next prime is 1405323053. The reversal of 1405323030 is 303235041.

It is a junction number, because it is equal to n+sod(n) for n = 1405322988 and 1405323006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 562 + ... + 53018.

It is an arithmetic number, because the mean of its divisors is an integer number (56654640).

Almost surely, 2^1405323030 is an apocalyptic number.

1405323030 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 1405323030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1812948480).

1405323030 is an abundant number, since it is smaller than the sum of its proper divisors (2220573930).

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

1405323030 is a wasteful number, since it uses less digits than its factorization.

1405323030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52533.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 1405323030 is about 37487.6383625323. The cubic root of 1405323030 is about 1120.1049619956.

Adding to 1405323030 its reverse (303235041), we get a palindrome (1708558071).

The spelling of 1405323030 in words is "one billion, four hundred five million, three hundred twenty-three thousand, thirty".