1550404122029 has 16 divisors (see below), whose sum is σ = 1775624323200. Its totient is φ = 1326119122944.

The previous prime is 1550404122023. The next prime is 1550404122049. The reversal of 1550404122029 is 9202214040551.

It is a de Polignac number, because none of the positive numbers 2^k-1550404122029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1550404122029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1550404122023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10952102 + ... + 11092760.

It is an arithmetic number, because the mean of its divisors is an integer number (110976520200).

Almost surely, 2^{1550404122029} is an apocalyptic number.

It is an amenable number.

1550404122029 is a deficient number, since it is larger than the sum of its proper divisors (225220201171).

1550404122029 is a wasteful number, since it uses less digits than its factorization.

1550404122029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143972.

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 1550404122029 in words is "one trillion, five hundred fifty billion, four hundred four million, one hundred twenty-two thousand, twenty-nine".