2052500040 has 64 divisors (see below), whose sum is σ = 6841670400. Its totient is φ = 547333056.

The previous prime is 2052500039. The next prime is 2052500063. The reversal of 2052500040 is 400052502.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2052499986 and 2052500022.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 949152 + ... + 951311.

It is an arithmetic number, because the mean of its divisors is an integer number (106901100).

Almost surely, 2^2052500040 is an apocalyptic number.

2052500040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2052500040 is an abundant number, since it is smaller than the sum of its proper divisors (4789170360).

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

2052500040 is a wasteful number, since it uses less digits than its factorization.

2052500040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1900483 (or 1900473 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 2052500040 is about 45304.5256017542. The cubic root of 2052500040 is about 1270.8502872258.

Adding to 2052500040 its reverse (400052502), we get a palindrome (2452552542).

The spelling of 2052500040 in words is "two billion, fifty-two million, five hundred thousand, forty".