2550381626 has 32 divisors (see below), whose sum is σ = 4274983440. Its totient is φ = 1133024256.

The previous prime is 2550381623. The next prime is 2550381629. The reversal of 2550381626 is 6261830552.

It is an interprime number because it is at equal distance from previous prime (2550381623) and next prime (2550381629).

It can be written as a sum of positive squares in 8 ways, for example, as 383572225 + 2166809401 = 19585^2 + 46549^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2550381626.

It is not an unprimeable number, because it can be changed into a prime (2550381623) 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, 249080 + ... + 259116.

Almost surely, 2^2550381626 is an apocalyptic number.

2550381626 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2550381626 is a deficient number, since it is larger than the sum of its proper divisors (1724601814).

2550381626 is a wasteful number, since it uses less digits than its factorization.

2550381626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10418.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 2550381626 is about 50501.3032109073. The cubic root of 2550381626 is about 1366.2653584222.

The spelling of 2550381626 in words is "two billion, five hundred fifty million, three hundred eighty-one thousand, six hundred twenty-six".