1324310040 has 64 divisors (see below), whose sum is σ = 4414370400. Its totient is φ = 353149056.

The previous prime is 1324310033. The next prime is 1324310059. The reversal of 1324310040 is 400134231.

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

It is a junction number, because it is equal to n+sod(n) for n = 1324309995 and 1324310022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 612027 + ... + 614186.

Almost surely, 2^1324310040 is an apocalyptic number.

1324310040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1324310040 is an abundant number, since it is smaller than the sum of its proper divisors (3090060360).

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

1324310040 is a wasteful number, since it uses less digits than its factorization.

1324310040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226233 (or 1226223 counting only the distinct ones).

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

The square root of 1324310040 is about 36391.0708828416. The cubic root of 1324310040 is about 1098.1539394188.

Adding to 1324310040 its reverse (400134231), we get a palindrome (1724444271).

It can be divided in two parts, 1324 and 310040, that added together give a square (311364 = 558²).

The spelling of 1324310040 in words is "one billion, three hundred twenty-four million, three hundred ten thousand, forty".