1214640588 has 192 divisors, whose sum is σ = 3565506560. Its totient is φ = 314088192.

The previous prime is 1214640587. The next prime is 1214640589. The reversal of 1214640588 is 8850464121.

It is an interprime number because it is at equal distance from previous prime (1214640587) and next prime (1214640589).

It is not an unprimeable number, because it can be changed into a prime (1214640587) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3956331 + ... + 3956637.

Almost surely, 2^1214640588 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1214640588, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1782753280).

1214640588 is an abundant number, since it is smaller than the sum of its proper divisors (2350865972).

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

1214640588 is a wasteful number, since it uses less digits than its factorization.

1214640588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444 (or 442 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 39.

The square root of 1214640588 is about 34851.6941912441. The cubic root of 1214640588 is about 1066.9627636753.

The spelling of 1214640588 in words is "one billion, two hundred fourteen million, six hundred forty thousand, five hundred eighty-eight".