154728313352240 has 40 divisors (see below), whose sum is σ = 359820910456560. Its totient is φ = 61877977915136.

The previous prime is 154728313352233. The next prime is 154728313352269. The reversal of 154728313352240 is 42253313827451.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×154728313352240³ (a number of 44 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208180250 + ... + 208922169.

It is an arithmetic number, because the mean of its divisors is an integer number (8995522761414).

Almost surely, 2^{154728313352240} is an apocalyptic number.

154728313352240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154728313352240 is an abundant number, since it is smaller than the sum of its proper divisors (205092597104320).

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

154728313352240 is a wasteful number, since it uses less digits than its factorization.

154728313352240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417107069 (or 417107063 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 50.

The spelling of 154728313352240 in words is "one hundred fifty-four trillion, seven hundred twenty-eight billion, three hundred thirteen million, three hundred fifty-two thousand, two hundred forty".