150505223553240 has 128 divisors (see below), whose sum is σ = 471156696552960. Its totient is φ = 38388930719744.

The previous prime is 150505223553233. The next prime is 150505223553241. The reversal of 150505223553240 is 42355322505051.

It is a super-2 number, since 2×150505223553240² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 150505223553192 and 150505223553201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150505223553241) 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, 136615087 + ... + 137712353.

It is an arithmetic number, because the mean of its divisors is an integer number (3680911691820).

Almost surely, 2^{150505223553240} is an apocalyptic number.

150505223553240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150505223553240 is an abundant number, since it is smaller than the sum of its proper divisors (320651472999720).

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

150505223553240 is a wasteful number, since it uses less digits than its factorization.

150505223553240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147001 (or 1146997 counting only the distinct ones).

The product of its (nonzero) digits is 900000, while the sum is 42.

The spelling of 150505223553240 in words is "one hundred fifty trillion, five hundred five billion, two hundred twenty-three million, five hundred fifty-three thousand, two hundred forty".