154170440864 has 96 divisors (see below), whose sum is σ = 341427223872. Its totient is φ = 67910400000.

The previous prime is 154170440863. The next prime is 154170440903. The reversal of 154170440864 is 468044071451.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (154170440863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3245444 + ... + 3292604.

It is an arithmetic number, because the mean of its divisors is an integer number (3556533582).

Almost surely, 2^154170440864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154170440864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170713611936).

154170440864 is an abundant number, since it is smaller than the sum of its proper divisors (187256783008).

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

154170440864 is a wasteful number, since it uses less digits than its factorization.

154170440864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47470 (or 47462 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 44.

The spelling of 154170440864 in words is "one hundred fifty-four billion, one hundred seventy million, four hundred forty thousand, eight hundred sixty-four".