2491454406 has 16 divisors (see below), whose sum is σ = 5694753024. Its totient is φ = 711844104.

The previous prime is 2491454333. The next prime is 2491454417. The reversal of 2491454406 is 6044541942.

It is a Curzon number.

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, 29660130 + ... + 29660213.

It is an arithmetic number, because the mean of its divisors is an integer number (355922064).

Almost surely, 2^2491454406 is an apocalyptic number.

2491454406 is an abundant number, since it is smaller than the sum of its proper divisors (3203298618).

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

2491454406 is a wasteful number, since it uses less digits than its factorization.

2491454406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59320355.

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 2491454406 is about 49914.4709077438. The cubic root of 2491454406 is about 1355.6606222060.

The spelling of 2491454406 in words is "two billion, four hundred ninety-one million, four hundred fifty-four thousand, four hundred six".