1314382440 has 64 divisors (see below), whose sum is σ = 4506456960. Its totient is φ = 300430080.

The previous prime is 1314382427. The next prime is 1314382477. The reversal of 1314382440 is 442834131.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1314382398 and 1314382407.

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, 781531 + ... + 783210.

It is an arithmetic number, because the mean of its divisors is an integer number (70413390).

Almost surely, 2^1314382440 is an apocalyptic number.

1314382440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1314382440 is an abundant number, since it is smaller than the sum of its proper divisors (3192074520).

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

1314382440 is a wasteful number, since it uses less digits than its factorization.

1314382440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564762 (or 1564758 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 1314382440 is about 36254.4126969394. The cubic root of 1314382440 is about 1095.4029750525.

The spelling of 1314382440 in words is "one billion, three hundred fourteen million, three hundred eighty-two thousand, four hundred forty".