315424420 has 24 divisors (see below), whose sum is σ = 667453248. Its totient is φ = 125205600.

The previous prime is 315424381. The next prime is 315424427. The reversal of 315424420 is 24424513.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (315424427) 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, 57576 + ... + 62815.

It is an arithmetic number, because the mean of its divisors is an integer number (27810552).

Almost surely, 2^315424420 is an apocalyptic number.

It is an amenable number.

315424420 is an abundant number, since it is smaller than the sum of its proper divisors (352028828).

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

315424420 is a wasteful number, since it uses less digits than its factorization.

315424420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120531 (or 120529 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 315424420 is about 17760.1920034666. The cubic root of 315424420 is about 680.7146609896.

Adding to 315424420 its reverse (24424513), we get a palindrome (339848933).

It can be divided in two parts, 315424 and 420, that added together give a square (315844 = 562²).

The spelling of 315424420 in words is "three hundred fifteen million, four hundred twenty-four thousand, four hundred twenty".