2026426580 has 24 divisors (see below), whose sum is σ = 4256350728. Its totient is φ = 810407808.

The previous prime is 2026426547. The next prime is 2026426609. The reversal of 2026426580 is 856246202.

It can be written as a sum of positive squares in 4 ways, for example, as 300190276 + 1726236304 = 17326^2 + 41548^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2026426580.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167702 + ... + 179378.

It is an arithmetic number, because the mean of its divisors is an integer number (177347947).

Almost surely, 2^2026426580 is an apocalyptic number.

2026426580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2026426580 is an abundant number, since it is smaller than the sum of its proper divisors (2229924148).

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

2026426580 is a wasteful number, since it uses less digits than its factorization.

2026426580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20363 (or 20361 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 2026426580 is about 45015.8480981976. The cubic root of 2026426580 is about 1265.4460206024.

The spelling of 2026426580 in words is "two billion, twenty-six million, four hundred twenty-six thousand, five hundred eighty".