2170440550 has 24 divisors (see below), whose sum is σ = 4061208816. Its totient is φ = 862974240.

The previous prime is 2170440539. The next prime is 2170440557. The reversal of 2170440550 is 550440712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2170440557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121617 + ... + 138316.

It is an arithmetic number, because the mean of its divisors is an integer number (169217034).

Almost surely, 2^2170440550 is an apocalyptic number.

2170440550 is a deficient number, since it is larger than the sum of its proper divisors (1890768266).

2170440550 is a wasteful number, since it uses less digits than its factorization.

2170440550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260112 (or 260107 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 2170440550 is about 46587.9871855396. The cubic root of 2170440550 is about 1294.7401972322.

The spelling of 2170440550 in words is "two billion, one hundred seventy million, four hundred forty thousand, five hundred fifty".