4525520140040 has 16 divisors (see below), whose sum is σ = 10182420315180. Its totient is φ = 1810208056000.

The previous prime is 4525520140007. The next prime is 4525520140049. The reversal of 4525520140040 is 400410255254.

It can be written as a sum of positive squares in 2 ways, for example, as 4333116844996 + 192403295044 = 2081614^2 + 438638^2 .

It is a super-2 number, since 2×4525520140040² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4525520139979 and 4525520140006.

It is not an unprimeable number, because it can be changed into a prime (4525520140049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56569001711 + ... + 56569001790.

Almost surely, 2^{4525520140040} is an apocalyptic number.

4525520140040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4525520140040 is an abundant number, since it is smaller than the sum of its proper divisors (5656900175140).

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

4525520140040 is a wasteful number, since it uses less digits than its factorization.

4525520140040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113138003512 (or 113138003508 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 32.

Adding to 4525520140040 its reverse (400410255254), we get a palindrome (4925930395294).

The spelling of 4525520140040 in words is "four trillion, five hundred twenty-five billion, five hundred twenty million, one hundred forty thousand, forty".