2456649396 has 36 divisors (see below), whose sum is σ = 6575151492. Its totient is φ = 770713344.

The previous prime is 2456649367. The next prime is 2456649397. The reversal of 2456649396 is 6939466542.

2456649396 is a `hidden beast` number, since 2 + 4 + 5 + 66 + 493 + 96 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 862244496 + 1594404900 = 29364^2 + 39930^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2456649397) 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, 2006455 + ... + 2007678.

It is an arithmetic number, because the mean of its divisors is an integer number (182643097).

Almost surely, 2^2456649396 is an apocalyptic number.

It is an amenable number.

2456649396 is an abundant number, since it is smaller than the sum of its proper divisors (4118502096).

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

2456649396 is a wasteful number, since it uses less digits than its factorization.

2456649396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4014160 (or 4014155 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 54.

The square root of 2456649396 is about 49564.5982128374. The cubic root of 2456649396 is about 1349.3182467174.

The spelling of 2456649396 in words is "two billion, four hundred fifty-six million, six hundred forty-nine thousand, three hundred ninety-six".