2652556540 has 48 divisors (see below), whose sum is σ = 5761131264. Its totient is φ = 1024819200.

The previous prime is 2652556537. The next prime is 2652556547. The reversal of 2652556540 is 456552562.

It is a junction number, because it is equal to n+sod(n) for n = 2652556493 and 2652556502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2652556547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 341500 + ... + 349180.

It is an arithmetic number, because the mean of its divisors is an integer number (120023568).

Almost surely, 2^2652556540 is an apocalyptic number.

2652556540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2652556540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2880565632).

2652556540 is an abundant number, since it is smaller than the sum of its proper divisors (3108574724).

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

2652556540 is a wasteful number, since it uses less digits than its factorization.

2652556540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8278 (or 8276 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 40.

The square root of 2652556540 is about 51502.9760305169. The cubic root of 2652556540 is about 1384.2723682100.

The spelling of 2652556540 in words is "two billion, six hundred fifty-two million, five hundred fifty-six thousand, five hundred forty".