154240120056 has 96 divisors (see below), whose sum is σ = 425290556880. Its totient is φ = 46579653120.

The previous prime is 154240120039. The next prime is 154240120093. The reversal of 154240120056 is 650021042451.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 760236 + ... + 941508.

Almost surely, 2^154240120056 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 154240120056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212645278440).

154240120056 is an abundant number, since it is smaller than the sum of its proper divisors (271050436824).

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

154240120056 is a wasteful number, since it uses less digits than its factorization.

154240120056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181597 (or 181582 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 154240120056 in words is "one hundred fifty-four billion, two hundred forty million, one hundred twenty thousand, fifty-six".