154320923940 has 96 divisors (see below), whose sum is σ = 442524176640. Its totient is φ = 40170816000.

The previous prime is 154320923923. The next prime is 154320924029. The reversal of 154320923940 is 49329023451.

It is a junction number, because it is equal to n+sod(n) for n = 154320923892 and 154320923901.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 250926 + ... + 609594.

It is an arithmetic number, because the mean of its divisors is an integer number (4609626840).

Almost surely, 2^154320923940 is an apocalyptic number.

154320923940 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 154320923940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221262088320).

154320923940 is an abundant number, since it is smaller than the sum of its proper divisors (288203252700).

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

154320923940 is a wasteful number, since it uses less digits than its factorization.

154320923940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358853 (or 358851 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 154320923940 in words is "one hundred fifty-four billion, three hundred twenty million, nine hundred twenty-three thousand, nine hundred forty".