1412357440 has 112 divisors (see below), whose sum is σ = 3634630272. Its totient is φ = 519653376.

The previous prime is 1412357431. The next prime is 1412357447. The reversal of 1412357440 is 447532141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1412357447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1942357 + ... + 1943083.

It is an arithmetic number, because the mean of its divisors is an integer number (32452056).

Almost surely, 2^1412357440 is an apocalyptic number.

1412357440 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 1412357440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1817315136).

1412357440 is an abundant number, since it is smaller than the sum of its proper divisors (2222272832).

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

1412357440 is a wasteful number, since it uses less digits than its factorization.

1412357440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224 (or 1214 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 1412357440 is about 37581.3443080473. The cubic root of 1412357440 is about 1121.9707648794.

Adding to 1412357440 its reverse (447532141), we get a palindrome (1859889581).

The spelling of 1412357440 in words is "one billion, four hundred twelve million, three hundred fifty-seven thousand, four hundred forty".