404154363261055 has 16 divisors (see below), whose sum is σ = 530090301513888. Its totient is φ = 293366280064000.

The previous prime is 404154363261037. The next prime is 404154363261091. The reversal of 404154363261055 is 550162363451404.

It is a happy number.

It is not a de Polignac number, because 404154363261055 - 2⁷ = 404154363260927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7052045386 + ... + 7052102695.

It is an arithmetic number, because the mean of its divisors is an integer number (33130643844618).

Almost surely, 2^{404154363261055} is an apocalyptic number.

404154363261055 is a deficient number, since it is larger than the sum of its proper divisors (125935938252833).

404154363261055 is a wasteful number, since it uses less digits than its factorization.

404154363261055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14104148618.

The product of its (nonzero) digits is 5184000, while the sum is 49.

The spelling of 404154363261055 in words is "four hundred four trillion, one hundred fifty-four billion, three hundred sixty-three million, two hundred sixty-one thousand, fifty-five".