1412013440 has 64 divisors (see below), whose sum is σ = 3382132320. Its totient is φ = 563712000.

The previous prime is 1412013437. The next prime is 1412013461. The reversal of 1412013440 is 443102141.

It is a tau number, because it is divible by the number of its divisors (64).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382805 + ... + 386475.

Almost surely, 2^1412013440 is an apocalyptic number.

1412013440 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 1412013440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1691066160).

1412013440 is an abundant number, since it is smaller than the sum of its proper divisors (1970118880).

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

1412013440 is an equidigital number, since it uses as much as digits as its factorization.

1412013440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4291 (or 4279 counting only the distinct ones).

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

The square root of 1412013440 is about 37576.7672904416. The cubic root of 1412013440 is about 1121.8796667688.

Adding to 1412013440 its reverse (443102141), we get a palindrome (1855115581).

The spelling of 1412013440 in words is "one billion, four hundred twelve million, thirteen thousand, four hundred forty".