3152123440 has 40 divisors (see below), whose sum is σ = 7341672960. Its totient is φ = 1258615296.

The previous prime is 3152123437. The next prime is 3152123449. The reversal of 3152123440 is 443212513.

3152123440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (3152123449) 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, 10897 + ... + 80143.

It is an arithmetic number, because the mean of its divisors is an integer number (183541824).

Almost surely, 2^3152123440 is an apocalyptic number.

It is an amenable number.

3152123440 is an abundant number, since it is smaller than the sum of its proper divisors (4189549520).

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

3152123440 is a wasteful number, since it uses less digits than its factorization.

3152123440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69829 (or 69823 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 3152123440 is about 56143.7747216911. The cubic root of 3152123440 is about 1466.2265258718.

Adding to 3152123440 its reverse (443212513), we get a palindrome (3595335953).

It can be divided in two parts, 315 and 2123440, that multiplied together give a triangular number (668883600 = T₃₆₅₇₅).

The spelling of 3152123440 in words is "three billion, one hundred fifty-two million, one hundred twenty-three thousand, four hundred forty".