314172240 has 80 divisors (see below), whose sum is σ = 1031237568. Its totient is φ = 78850048.

The previous prime is 314172169. The next prime is 314172247. The reversal of 314172240 is 42271413.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 314172240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (314172247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34422 + ... + 42581.

Almost surely, 2^314172240 is an apocalyptic number.

314172240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

314172240 is an abundant number, since it is smaller than the sum of its proper divisors (717065328).

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

314172240 is a wasteful number, since it uses less digits than its factorization.

314172240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77036 (or 77030 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 314172240 is about 17724.9045131420. The cubic root of 314172240 is about 679.8126935091.

The spelling of 314172240 in words is "three hundred fourteen million, one hundred seventy-two thousand, two hundred forty".