2520434844 has 36 divisors (see below), whose sum is σ = 6475549080. Its totient is φ = 826371360.

The previous prime is 2520434843. The next prime is 2520434849. The reversal of 2520434844 is 4484340252.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2520434799 and 2520434808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520434843) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 571674 + ... + 576065.

Almost surely, 2^2520434844 is an apocalyptic number.

It is an amenable number.

2520434844 is an abundant number, since it is smaller than the sum of its proper divisors (3955114236).

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

2520434844 is a wasteful number, since it uses less digits than its factorization.

2520434844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147810 (or 1147805 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 36.

The square root of 2520434844 is about 50203.9325551296. The cubic root of 2520434844 is about 1360.8966916686.

The spelling of 2520434844 in words is "two billion, five hundred twenty million, four hundred thirty-four thousand, eight hundred forty-four".