4025530752540 has 384 divisors, whose sum is σ = 13519915960320. Its totient is φ = 883418726400.

The previous prime is 4025530752527. The next prime is 4025530752541. The reversal of 4025530752540 is 452570355204.

It is a junction number, because it is equal to n+sod(n) for n = 4025530752492 and 4025530752501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4025530752541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 85551420 + ... + 85598460.

It is an arithmetic number, because the mean of its divisors is an integer number (35208114480).

Almost surely, 2^{4025530752540} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4025530752540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6759957980160).

4025530752540 is an abundant number, since it is smaller than the sum of its proper divisors (9494385207780).

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

4025530752540 is a wasteful number, since it uses less digits than its factorization.

4025530752540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47373 (or 47371 counting only the distinct ones).

The product of its (nonzero) digits is 840000, while the sum is 42.

The spelling of 4025530752540 in words is "four trillion, twenty-five billion, five hundred thirty million, seven hundred fifty-two thousand, five hundred forty".