1314210440 has 32 divisors (see below), whose sum is σ = 2964035160. Its totient is φ = 524428800.

The previous prime is 1314210383. The next prime is 1314210451. The reversal of 1314210440 is 440124131.

It can be written as a sum of positive squares in 4 ways, for example, as 337897924 + 976312516 = 18382^2 + 31246^2 .

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

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, 22181 + ... + 55860.

Almost surely, 2^1314210440 is an apocalyptic number.

1314210440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1314210440 is an abundant number, since it is smaller than the sum of its proper divisors (1649824720).

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

1314210440 is a wasteful number, since it uses less digits than its factorization.

1314210440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78473 (or 78469 counting only the distinct ones).

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

The square root of 1314210440 is about 36252.0404942949. The cubic root of 1314210440 is about 1095.3551915143.

Adding to 1314210440 its reverse (440124131), we get a palindrome (1754334571).

The spelling of 1314210440 in words is "one billion, three hundred fourteen million, two hundred ten thousand, four hundred forty".