150404240 has 80 divisors (see below), whose sum is σ = 401224320. Its totient is φ = 51363840.

The previous prime is 150404203. The next prime is 150404249. The reversal of 150404240 is 42404051.

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

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (150404249) 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, 234320 + ... + 234960.

It is an arithmetic number, because the mean of its divisors is an integer number (5015304).

Almost surely, 2^150404240 is an apocalyptic number.

150404240 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 150404240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200612160).

150404240 is an abundant number, since it is smaller than the sum of its proper divisors (250820080).

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

150404240 is a wasteful number, since it uses less digits than its factorization.

150404240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080 (or 1074 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 150404240 is about 12263.9406391257. The cubic root of 150404240 is about 531.8061554691.

Adding to 150404240 its reverse (42404051), we get a palindrome (192808291).

The spelling of 150404240 in words is "one hundred fifty million, four hundred four thousand, two hundred forty".