550400102405 has 32 divisors (see below), whose sum is σ = 709322987520. Its totient is φ = 409048340800.

The previous prime is 550400102389. The next prime is 550400102443. The reversal of 550400102405 is 504201004055.

It is not a de Polignac number, because 550400102405 - 2⁴ = 550400102389 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74480 + ... + 1051830.

It is an arithmetic number, because the mean of its divisors is an integer number (22166343360).

Almost surely, 2^550400102405 is an apocalyptic number.

It is an amenable number.

550400102405 is a deficient number, since it is larger than the sum of its proper divisors (158922885115).

550400102405 is a wasteful number, since it uses less digits than its factorization.

550400102405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977521.

The product of its (nonzero) digits is 4000, while the sum is 26.

The spelling of 550400102405 in words is "five hundred fifty billion, four hundred million, one hundred two thousand, four hundred five".