2126946450 has 96 divisors (see below), whose sum is σ = 5566429440. Its totient is φ = 535982400.

The previous prime is 2126946433. The next prime is 2126946461. The reversal of 2126946450 is 546496212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2126946399 and 2126946408.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1626697 + ... + 1628003.

It is an arithmetic number, because the mean of its divisors is an integer number (57983640).

Almost surely, 2^2126946450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2126946450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2783214720).

2126946450 is an abundant number, since it is smaller than the sum of its proper divisors (3439482990).

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

2126946450 is a wasteful number, since it uses less digits than its factorization.

2126946450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1912 (or 1907 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 2126946450 is about 46118.8296685855. The cubic root of 2126946450 is about 1286.0332144440.

The spelling of 2126946450 in words is "two billion, one hundred twenty-six million, nine hundred forty-six thousand, four hundred fifty".