1412312240 has 160 divisors (see below), whose sum is σ = 3564521856. Its totient is φ = 519045120.

The previous prime is 1412312233. The next prime is 1412312249. The reversal of 1412312240 is 422132141.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (1412312249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7317584 + ... + 7317776.

Almost surely, 2^1412312240 is an apocalyptic number.

1412312240 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 1412312240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1782260928).

1412312240 is an abundant number, since it is smaller than the sum of its proper divisors (2152209616).

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

1412312240 is a wasteful number, since it uses less digits than its factorization.

1412312240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367 (or 361 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1412312240 is about 37580.7429410330. The cubic root of 1412312240 is about 1121.9587958555.

Adding to 1412312240 its reverse (422132141), we get a palindrome (1834444381).

The spelling of 1412312240 in words is "one billion, four hundred twelve million, three hundred twelve thousand, two hundred forty".