2454052644 has 18 divisors (see below), whose sum is σ = 6203299830. Its totient is φ = 818017536.

The previous prime is 2454052637. The next prime is 2454052649. The reversal of 2454052644 is 4462504542.

2454052644 is a `hidden beast` number, since 2 + 4 + 5 + 4 + 0 + 5 + 2 + 644 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2453220900 + 831744 = 49530^2 + 912^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 68168129 = 2454052644 / (2 + 4 + 5 + 4 + 0 + 5 + 2 + 6 + 4 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 2454052599 and 2454052608.

It is not an unprimeable number, because it can be changed into a prime (2454052649) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34084029 + ... + 34084100.

Almost surely, 2^2454052644 is an apocalyptic number.

It is an amenable number.

2454052644 is an abundant number, since it is smaller than the sum of its proper divisors (3749247186).

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

2454052644 is a wasteful number, since it uses less digits than its factorization.

2454052644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68168139 (or 68168134 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

The square root of 2454052644 is about 49538.3956542801. The cubic root of 2454052644 is about 1348.8426558383.

The spelling of 2454052644 in words is "two billion, four hundred fifty-four million, fifty-two thousand, six hundred forty-four".