150421021405424 has 240 divisors, whose sum is σ = 374113184509440. Its totient is φ = 57929364218880.

The previous prime is 150421021405423. The next prime is 150421021405477. The reversal of 150421021405424 is 424504120124051.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150421021405423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2661019049 + ... + 2661075575.

It is an arithmetic number, because the mean of its divisors is an integer number (1558804935456).

Almost surely, 2^{150421021405424} is an apocalyptic number.

150421021405424 is a gapful number since it is divisible by the number (14) 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 150421021405424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187056592254720).

150421021405424 is an abundant number, since it is smaller than the sum of its proper divisors (223692163104016).

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

150421021405424 is a wasteful number, since it uses less digits than its factorization.

150421021405424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60116 (or 60103 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 35.

Adding to 150421021405424 its reverse (424504120124051), we get a palindrome (574925141529475).

The spelling of 150421021405424 in words is "one hundred fifty trillion, four hundred twenty-one billion, twenty-one million, four hundred five thousand, four hundred twenty-four".