10315420240 has 40 divisors (see below), whose sum is σ = 24043235688. Its totient is φ = 4115865600.

The previous prime is 10315420163. The next prime is 10315420253. The reversal of 10315420240 is 4202451301.

It can be written as a sum of positive squares in 4 ways, for example, as 7699711504 + 2615708736 = 87748^2 + 51144^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128697 + ... + 192856.

Almost surely, 2^10315420240 is an apocalyptic number.

10315420240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10315420240 is an abundant number, since it is smaller than the sum of its proper divisors (13727815448).

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

10315420240 is a wasteful number, since it uses less digits than its factorization.

10315420240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321967 (or 321961 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 10315420240 its reverse (4202451301), we get a palindrome (14517871541).

The spelling of 10315420240 in words is "ten billion, three hundred fifteen million, four hundred twenty thousand, two hundred forty".