150775724440 has 128 divisors (see below), whose sum is σ = 389788485120. Its totient is φ = 51953228800.

The previous prime is 150775724431. The next prime is 150775724441. The reversal of 150775724440 is 44427577051.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150775724441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1013220 + ... + 1152460.

It is an arithmetic number, because the mean of its divisors is an integer number (3045222540).

Almost surely, 2^150775724440 is an apocalyptic number.

150775724440 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 150775724440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194894242560).

150775724440 is an abundant number, since it is smaller than the sum of its proper divisors (239012760680).

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

150775724440 is a wasteful number, since it uses less digits than its factorization.

150775724440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139393 (or 139389 counting only the distinct ones).

The product of its (nonzero) digits is 1097600, while the sum is 46.

The spelling of 150775724440 in words is "one hundred fifty billion, seven hundred seventy-five million, seven hundred twenty-four thousand, four hundred forty".