2150151240 has 128 divisors (see below), whose sum is σ = 6526967040. Its totient is φ = 566624256.

The previous prime is 2150151239. The next prime is 2150151247. The reversal of 2150151240 is 421510512.

It is a super-3 number, since 3×2150151240³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2150151247) 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, 6090904 + ... + 6091256.

It is an arithmetic number, because the mean of its divisors is an integer number (50991930).

Almost surely, 2^2150151240 is an apocalyptic number.

2150151240 is a gapful number since it is divisible by the number (20) 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 2150151240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3263483520).

2150151240 is an abundant number, since it is smaller than the sum of its proper divisors (4376815800).

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

2150151240 is a wasteful number, since it uses less digits than its factorization.

2150151240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823 (or 819 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 2150151240 is about 46369.7233116610. The cubic root of 2150151240 is about 1290.6931435077.

Adding to 2150151240 its reverse (421510512), we get a palindrome (2571661752).

The spelling of 2150151240 in words is "two billion, one hundred fifty million, one hundred fifty-one thousand, two hundred forty".