4045530023240 has 32 divisors (see below), whose sum is σ = 9102749864760. Its totient is φ = 1618157376000.

The previous prime is 4045530023237. The next prime is 4045530023309. The reversal of 4045530023240 is 423200355404.

It can be written as a sum of positive squares in 4 ways, for example, as 1550627638564 + 2494902384676 = 1245242^2 + 1579526^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4045530023197 and 4045530023206.

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, 497111 + ... + 2887590.

Almost surely, 2^{4045530023240} is an apocalyptic number.

4045530023240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4045530023240 is an abundant number, since it is smaller than the sum of its proper divisors (5057219841520).

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

4045530023240 is a wasteful number, since it uses less digits than its factorization.

4045530023240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3414593 (or 3414589 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 32.

Adding to 4045530023240 its reverse (423200355404), we get a palindrome (4468730378644).

The spelling of 4045530023240 in words is "four trillion, forty-five billion, five hundred thirty million, twenty-three thousand, two hundred forty".