2520641532 has 24 divisors (see below), whose sum is σ = 5906745936. Its totient is φ = 836606848.

The previous prime is 2520641521. The next prime is 2520641533. The reversal of 2520641532 is 2351460252.

It is a super-4 number, since 4×2520641532⁴ (a number of 39 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2520641532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520641533) 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, 447963 + ... + 453554.

It is an arithmetic number, because the mean of its divisors is an integer number (246114414).

Almost surely, 2^2520641532 is an apocalyptic number.

It is an amenable number.

2520641532 is an abundant number, since it is smaller than the sum of its proper divisors (3386104404).

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

2520641532 is a wasteful number, since it uses less digits than its factorization.

2520641532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901757 (or 901755 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 2520641532 is about 50205.9909970912. The cubic root of 2520641532 is about 1360.9338907162.

The spelling of 2520641532 in words is "two billion, five hundred twenty million, six hundred forty-one thousand, five hundred thirty-two".