314021240 has 64 divisors (see below), whose sum is σ = 763408800. Its totient is φ = 115564032.

The previous prime is 314021233. The next prime is 314021269. The reversal of 314021240 is 42120413.

It is a super-2 number, since 2×314021240² = 197218678342275200, which contains 22 as substring.

It is a congruent number.

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, 193151 + ... + 194769.

Almost surely, 2^314021240 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 314021240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381704400).

314021240 is an abundant number, since it is smaller than the sum of its proper divisors (449387560).

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

314021240 is a wasteful number, since it uses less digits than its factorization.

314021240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2016 (or 2012 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 314021240 is about 17720.6444578068. The cubic root of 314021240 is about 679.7037636994.

Adding to 314021240 its reverse (42120413), we get a palindrome (356141653).

The spelling of 314021240 in words is "three hundred fourteen million, twenty-one thousand, two hundred forty".