2520343128 has 32 divisors (see below), whose sum is σ = 6574809600. Its totient is φ = 803587488.

The previous prime is 2520343127. The next prime is 2520343129. The reversal of 2520343128 is 8213430252.

It is an interprime number because it is at equal distance from previous prime (2520343127) and next prime (2520343129).

It is a junction number, because it is equal to n+sod(n) for n = 2520343095 and 2520343104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520343123) 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, 2282368 + ... + 2283471.

It is an arithmetic number, because the mean of its divisors is an integer number (205462800).

Almost surely, 2^2520343128 is an apocalyptic number.

It is an amenable number.

2520343128 is an abundant number, since it is smaller than the sum of its proper divisors (4054466472).

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

2520343128 is a wasteful number, since it uses less digits than its factorization.

2520343128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4565871 (or 4565867 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 2520343128 is about 50203.0191124000. The cubic root of 2520343128 is about 1360.8801842638.

The spelling of 2520343128 in words is "two billion, five hundred twenty million, three hundred forty-three thousand, one hundred twenty-eight".