2400005440433 has 4 divisors (see below), whose sum is σ = 2400019399668. Its totient is φ = 2399991481200.

The previous prime is 2400005440397. The next prime is 2400005440457. The reversal of 2400005440433 is 3340445000042.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 534628579489 + 1865376860944 = 731183^2 + 1365788^2 .

It is a cyclic number.

It is not a de Polignac number, because 2400005440433 - 2²⁶ = 2399938331569 is a prime.

It is a super-2 number, since 2×2400005440433² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2400005440396 and 2400005440405.

It is not an unprimeable number, because it can be changed into a prime (2400305440433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6718466 + ... + 7066667.

It is an arithmetic number, because the mean of its divisors is an integer number (600004849917).

Almost surely, 2^{2400005440433} is an apocalyptic number.

It is an amenable number.

2400005440433 is a deficient number, since it is larger than the sum of its proper divisors (13959235).

2400005440433 is a wasteful number, since it uses less digits than its factorization.

2400005440433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13959234.

The product of its (nonzero) digits is 23040, while the sum is 29.

The spelling of 2400005440433 in words is "two trillion, four hundred billion, five million, four hundred forty thousand, four hundred thirty-three".