2126506456 has 8 divisors (see below), whose sum is σ = 3987199620. Its totient is φ = 1063253224.

The previous prime is 2126506321. The next prime is 2126506471. The reversal of 2126506456 is 6546056212.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132906646 + ... + 132906661.

Almost surely, 2^2126506456 is an apocalyptic number.

It is an amenable number.

2126506456 is a deficient number, since it is larger than the sum of its proper divisors (1860693164).

2126506456 is a wasteful number, since it uses less digits than its factorization.

2126506456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265813313 (or 265813309 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 2126506456 is about 46114.0592010723. The cubic root of 2126506456 is about 1285.9445292586.

The spelling of 2126506456 in words is "two billion, one hundred twenty-six million, five hundred six thousand, four hundred fifty-six".