2566262040 has 64 divisors (see below), whose sum is σ = 7862607360. Its totient is φ = 669774720.

The previous prime is 2566262033. The next prime is 2566262071. The reversal of 2566262040 is 402626652.

It is a junction number, because it is equal to n+sod(n) for n = 2566261992 and 2566262010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221866 + ... + 233145.

It is an arithmetic number, because the mean of its divisors is an integer number (122853240).

Almost surely, 2^2566262040 is an apocalyptic number.

2566262040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2566262040 is an abundant number, since it is smaller than the sum of its proper divisors (5296345320).

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

2566262040 is a wasteful number, since it uses less digits than its factorization.

2566262040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455072 (or 455068 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 2566262040 is about 50658.2869824869. The cubic root of 2566262040 is about 1369.0952592886.

Adding to 2566262040 its reverse (402626652), we get a palindrome (2968888692).

The spelling of 2566262040 in words is "two billion, five hundred sixty-six million, two hundred sixty-two thousand, forty".