2452440639 has 8 divisors (see below), whose sum is σ = 3567186432. Its totient is φ = 1486327640.

The previous prime is 2452440631. The next prime is 2452440647. The reversal of 2452440639 is 9360442542.

2452440639 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2452440631) and next prime (2452440647).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2452440639 - 2³ = 2452440631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2452440597 and 2452440606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2452440631) 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, 37158159 + ... + 37158224.

It is an arithmetic number, because the mean of its divisors is an integer number (445898304).

Almost surely, 2^2452440639 is an apocalyptic number.

2452440639 is a deficient number, since it is larger than the sum of its proper divisors (1114745793).

2452440639 is a wasteful number, since it uses less digits than its factorization.

2452440639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74316397.

The product of its (nonzero) digits is 207360, while the sum is 39.

The square root of 2452440639 is about 49522.1227230821. The cubic root of 2452440639 is about 1348.5472509598.

The spelling of 2452440639 in words is "two billion, four hundred fifty-two million, four hundred forty thousand, six hundred thirty-nine".