154400422440000 has 1120 divisors, whose sum is σ = 565702101081216. Its totient is φ = 36840407040000.

The previous prime is 154400422439933. The next prime is 154400422440007. The reversal of 154400422440000 is 44224004451.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 154400422440000.

It is not an unprimeable number, because it can be changed into a prime (154400422440007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 55599718612 + ... + 55599721388.

Almost surely, 2^{154400422440000} is an apocalyptic number.

154400422440000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154400422440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282851050540608).

154400422440000 is an abundant number, since it is smaller than the sum of its proper divisors (411301678641216).

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

154400422440000 is a wasteful number, since it uses less digits than its factorization.

154400422440000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3473 (or 3448 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 30.

Adding to 154400422440000 its reverse (44224004451), we get a palindrome (154444646444451).

The spelling of 154400422440000 in words is "one hundred fifty-four trillion, four hundred billion, four hundred twenty-two million, four hundred forty thousand".