150443440 has 80 divisors (see below), whose sum is σ = 401813568. Its totient is φ = 51314688.

The previous prime is 150443429. The next prime is 150443441. The reversal of 150443440 is 44344051.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (150443441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129904 + ... + 131056.

Almost surely, 2^150443440 is an apocalyptic number.

150443440 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 150443440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200906784).

150443440 is an abundant number, since it is smaller than the sum of its proper divisors (251370128).

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

150443440 is a wasteful number, since it uses less digits than its factorization.

150443440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406 (or 1400 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 150443440 is about 12265.5387162570. The cubic root of 150443440 is about 531.8523531704.

Adding to 150443440 its reverse (44344051), we get a palindrome (194787491).

It can be divided in two parts, 1504 and 43440, that added together give a palindrome (44944).

The spelling of 150443440 in words is "one hundred fifty million, four hundred forty-three thousand, four hundred forty".