40555435454420 has 24 divisors (see below), whose sum is σ = 90176203540584. Its totient is φ = 15267928641536.

The previous prime is 40555435454393. The next prime is 40555435454447. The reversal of 40555435454420 is 2445453455504.

40555435454420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40555435454393) and next prime (40555435454447).

It can be written as a sum of positive squares in 4 ways, for example, as 8343386034064 + 32212049420356 = 2888492^2 + 5675566^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59640345917 + ... + 59640346596.

It is an arithmetic number, because the mean of its divisors is an integer number (3757341814191).

Almost surely, 2^{40555435454420} is an apocalyptic number.

It is an amenable number.

40555435454420 is an abundant number, since it is smaller than the sum of its proper divisors (49620768086164).

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

40555435454420 is a wasteful number, since it uses less digits than its factorization.

40555435454420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119280692539 (or 119280692537 counting only the distinct ones).

The product of its (nonzero) digits is 19200000, while the sum is 50.

The spelling of 40555435454420 in words is "forty trillion, five hundred fifty-five billion, four hundred thirty-five million, four hundred fifty-four thousand, four hundred twenty".