40200020004224 has 64 divisors (see below), whose sum is σ = 84982470539760. Its totient is φ = 18876260696064.

The previous prime is 40200020004187. The next prime is 40200020004229. The reversal of 40200020004224 is 42240002000204.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 40200020004196 and 40200020004205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40200020004229) 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, 19218122 + ... + 21206985.

Almost surely, 2^{40200020004224} is an apocalyptic number.

It is an amenable number.

40200020004224 is an abundant number, since it is smaller than the sum of its proper divisors (44782450535536).

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

40200020004224 is a wasteful number, since it uses less digits than its factorization.

40200020004224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40425595 (or 40425583 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 40200020004224 its reverse (42240002000204), we get a palindrome (82440022004428).

The spelling of 40200020004224 in words is "forty trillion, two hundred billion, twenty million, four thousand, two hundred twenty-four".