154063640388 has 192 divisors, whose sum is σ = 439326720000. Its totient is φ = 41041365120.

The previous prime is 154063640347. The next prime is 154063640399. The reversal of 154063640388 is 883046360451.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 102776863 + ... + 102778361.

It is an arithmetic number, because the mean of its divisors is an integer number (2288160000).

Almost surely, 2^154063640388 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 154063640388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219663360000).

154063640388 is an abundant number, since it is smaller than the sum of its proper divisors (285263079612).

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

154063640388 is a wasteful number, since it uses less digits than its factorization.

154063640388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2510 (or 2508 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 48.

The spelling of 154063640388 in words is "one hundred fifty-four billion, sixty-three million, six hundred forty thousand, three hundred eighty-eight".