2155445650430 has 16 divisors (see below), whose sum is σ = 3879933782400. Its totient is φ = 862149013152.

The previous prime is 2155445650429. The next prime is 2155445650439. The reversal of 2155445650430 is 340565445512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2155445650439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3345089 + ... + 3937068.

It is an arithmetic number, because the mean of its divisors is an integer number (242495861400).

Almost surely, 2^{2155445650430} is an apocalyptic number.

2155445650430 is a deficient number, since it is larger than the sum of its proper divisors (1724488131970).

2155445650430 is a wasteful number, since it uses less digits than its factorization.

2155445650430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7311763.

The product of its (nonzero) digits is 1440000, while the sum is 44.

The spelling of 2155445650430 in words is "two trillion, one hundred fifty-five billion, four hundred forty-five million, six hundred fifty thousand, four hundred thirty".