313526440 has 32 divisors (see below), whose sum is σ = 705944160. Its totient is φ = 125320000.

The previous prime is 313526417. The next prime is 313526443. The reversal of 313526440 is 44625313.

It is a junction number, because it is equal to n+sod(n) for n = 313526399 and 313526408.

It is not an unprimeable number, because it can be changed into a prime (313526443) 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, 94815 + ... + 98065.

It is an arithmetic number, because the mean of its divisors is an integer number (22060755).

Almost surely, 2^313526440 is an apocalyptic number.

It is an amenable number.

313526440 is an abundant number, since it is smaller than the sum of its proper divisors (392417720).

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

313526440 is a wasteful number, since it uses less digits than its factorization.

313526440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5673 (or 5669 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 313526440 is about 17706.6778363419. The cubic root of 313526440 is about 679.3465753120.

The spelling of 313526440 in words is "three hundred thirteen million, five hundred twenty-six thousand, four hundred forty".