2454622644 has 24 divisors (see below), whose sum is σ = 5731435360. Its totient is φ = 817638624.

The previous prime is 2454622637. The next prime is 2454622649. The reversal of 2454622644 is 4462264542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2454622649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52954 + ... + 87825.

Almost surely, 2^2454622644 is an apocalyptic number.

It is an amenable number.

2454622644 is an abundant number, since it is smaller than the sum of its proper divisors (3276812716).

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

2454622644 is a wasteful number, since it uses less digits than its factorization.

2454622644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142239 (or 142237 counting only the distinct ones).

The product of its digits is 368640, while the sum is 39.

The square root of 2454622644 is about 49544.1484334931. The cubic root of 2454622644 is about 1348.9470791341.

The spelling of 2454622644 in words is "two billion, four hundred fifty-four million, six hundred twenty-two thousand, six hundred forty-four".