2400252513649 has 8 divisors (see below), whose sum is σ = 2404306169280. Its totient is φ = 2396201310576.

The previous prime is 2400252513629. The next prime is 2400252513697. The reversal of 2400252513649 is 9463152520042.

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 2400252513649 - 2³³ = 2391662579057 is a prime.

It is a super-2 number, since 2×2400252513649² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2400252513629) 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, 1351164 + ... + 2574130.

It is an arithmetic number, because the mean of its divisors is an integer number (300538271160).

Almost surely, 2^{2400252513649} is an apocalyptic number.

It is an amenable number.

2400252513649 is a deficient number, since it is larger than the sum of its proper divisors (4053655631).

2400252513649 is a wasteful number, since it uses less digits than its factorization.

2400252513649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226279.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 2400252513649 in words is "two trillion, four hundred billion, two hundred fifty-two million, five hundred thirteen thousand, six hundred forty-nine".