2151040052 has 48 divisors (see below), whose sum is σ = 4364156160. Its totient is φ = 908658432.

The previous prime is 2151040051. The next prime is 2151040061. The reversal of 2151040052 is 2500401512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151040051) 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, 658808 + ... + 662064.

It is an arithmetic number, because the mean of its divisors is an integer number (90919920).

Almost surely, 2^2151040052 is an apocalyptic number.

It is an amenable number.

2151040052 is an abundant number, since it is smaller than the sum of its proper divisors (2213116108).

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

2151040052 is a wasteful number, since it uses less digits than its factorization.

2151040052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3600 (or 3598 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 2151040052 is about 46379.3062906292. The cubic root of 2151040052 is about 1290.8709644129.

Adding to 2151040052 its reverse (2500401512), we get a palindrome (4651441564).

The spelling of 2151040052 in words is "two billion, one hundred fifty-one million, forty thousand, fifty-two".