40420553025454 has 16 divisors (see below), whose sum is σ = 69294485541600. Its totient is φ = 17322566922144.

The previous prime is 40420553025443. The next prime is 40420553025491. The reversal of 40420553025454 is 45452035502404.

It is a super-2 number, since 2×40420553025454² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40420553025454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43459369 + ... + 44379700.

It is an arithmetic number, because the mean of its divisors is an integer number (4330905346350).

Almost surely, 2^{40420553025454} is an apocalyptic number.

40420553025454 is a deficient number, since it is larger than the sum of its proper divisors (28873932516146).

40420553025454 is a wasteful number, since it uses less digits than its factorization.

40420553025454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87871947.

The product of its (nonzero) digits is 1920000, while the sum is 43.

Adding to 40420553025454 its reverse (45452035502404), we get a palindrome (85872588527858).

The spelling of 40420553025454 in words is "forty trillion, four hundred twenty billion, five hundred fifty-three million, twenty-five thousand, four hundred fifty-four".