314203440 has 40 divisors (see below), whose sum is σ = 974031408. Its totient is φ = 83787520.

The previous prime is 314203427. The next prime is 314203441. The reversal of 314203440 is 44302413.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (314203441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 654351 + ... + 654830.

Almost surely, 2^314203440 is an apocalyptic number.

314203440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

314203440 is an abundant number, since it is smaller than the sum of its proper divisors (659827968).

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

314203440 is a wasteful number, since it uses less digits than its factorization.

314203440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309197 (or 1309191 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 314203440 is about 17725.7846088685. The cubic root of 314203440 is about 679.8351965093.

Adding to 314203440 its reverse (44302413), we get a palindrome (358505853).

The spelling of 314203440 in words is "three hundred fourteen million, two hundred three thousand, four hundred forty".