40554371488251 has 4 divisors (see below), whose sum is σ = 54072495317672. Its totient is φ = 27036247658832.

The previous prime is 40554371488219. The next prime is 40554371488271. The reversal of 40554371488251 is 15288417345504.

40554371488251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 40554371488251 - 2⁵ = 40554371488219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40554371488191 and 40554371488200.

It is not an unprimeable number, because it can be changed into a prime (40554371488271) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6759061914706 + ... + 6759061914711.

It is an arithmetic number, because the mean of its divisors is an integer number (13518123829418).

Almost surely, 2^{40554371488251} is an apocalyptic number.

40554371488251 is a deficient number, since it is larger than the sum of its proper divisors (13518123829421).

40554371488251 is a wasteful number, since it uses less digits than its factorization.

40554371488251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13518123829420.

The product of its (nonzero) digits is 21504000, while the sum is 57.

The spelling of 40554371488251 in words is "forty trillion, five hundred fifty-four billion, three hundred seventy-one million, four hundred eighty-eight thousand, two hundred fifty-one".