40420553025453 has 16 divisors (see below), whose sum is σ = 55042154112000. Its totient is φ = 26373022833456.

The previous prime is 40420553025443. The next prime is 40420553025491. The reversal of 40420553025453 is 35452035502404.

It is not a de Polignac number, because 40420553025453 - 2⁹ = 40420553024941 is a prime.

It is a super-2 number, since 2×40420553025453² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40420553025403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1940526 + ... + 9198192.

It is an arithmetic number, because the mean of its divisors is an integer number (3440134632000).

Almost surely, 2^{40420553025453} is an apocalyptic number.

It is an amenable number.

40420553025453 is a deficient number, since it is larger than the sum of its proper divisors (14621601086547).

40420553025453 is a wasteful number, since it uses less digits than its factorization.

40420553025453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7297216.

The product of its (nonzero) digits is 1440000, while the sum is 42.

Adding to 40420553025453 its reverse (35452035502404), we get a palindrome (75872588527857).

The spelling of 40420553025453 in words is "forty trillion, four hundred twenty billion, five hundred fifty-three million, twenty-five thousand, four hundred fifty-three".