1214340040 has 16 divisors (see below), whose sum is σ = 2732265180. Its totient is φ = 485736000.

The previous prime is 1214340019. The next prime is 1214340053. The reversal of 1214340040 is 400434121.

1214340040 is nontrivially palindromic in base 3.

It can be written as a sum of positive squares in 2 ways, for example, as 1102107204 + 112232836 = 33198^2 + 10594^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 15179211 + ... + 15179290.

Almost surely, 2^1214340040 is an apocalyptic number.

1214340040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1214340040 is an abundant number, since it is smaller than the sum of its proper divisors (1517925140).

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

1214340040 is a wasteful number, since it uses less digits than its factorization.

1214340040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30358512 (or 30358508 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1214340040 is about 34847.3821111429. The cubic root of 1214340040 is about 1066.8747541081.

Adding to 1214340040 its reverse (400434121), we get a palindrome (1614774161).

The spelling of 1214340040 in words is "one billion, two hundred fourteen million, three hundred forty thousand, forty".