2154466400226 has 16 divisors (see below), whose sum is σ = 4924494629184. Its totient is φ = 615561828624.

The previous prime is 2154466400183. The next prime is 2154466400291. The reversal of 2154466400226 is 6220046644512.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 51296819053 = 2154466400226 / (2 + 1 + 5 + 4 + 4 + 6 + 6 + 4 + 0 + 0 + 2 + 2 + 6).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25648409485 + ... + 25648409568.

It is an arithmetic number, because the mean of its divisors is an integer number (307780914324).

Almost surely, 2^{2154466400226} is an apocalyptic number.

2154466400226 is an abundant number, since it is smaller than the sum of its proper divisors (2770028228958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2154466400226 is a wasteful number, since it uses less digits than its factorization.

2154466400226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51296819065.

The product of its (nonzero) digits is 552960, while the sum is 42.

The spelling of 2154466400226 in words is "two trillion, one hundred fifty-four billion, four hundred sixty-six million, four hundred thousand, two hundred twenty-six".