662500040 has 32 divisors (see below), whose sum is σ = 1499257080. Its totient is φ = 263465472.

The previous prime is 662500031. The next prime is 662500049. The reversal of 662500040 is 40005266.

It is an interprime number because it is at equal distance from previous prime (662500031) and next prime (662500049).

It can be written as a sum of positive squares in 4 ways, for example, as 653415844 + 9084196 = 25562^2 + 3014^2 .

It is a junction number, because it is equal to n+sod(n) for n = 662499979 and 662500015.

It is not an unprimeable number, because it can be changed into a prime (662500049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40949 + ... + 54788.

Almost surely, 2^662500040 is an apocalyptic number.

It is an amenable number.

662500040 is an abundant number, since it is smaller than the sum of its proper divisors (836757040).

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

662500040 is a wasteful number, since it uses less digits than its factorization.

662500040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95921 (or 95917 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 662500040 is about 25739.0761294962. The cubic root of 662500040 is about 871.7567181774.

The spelling of 662500040 in words is "six hundred sixty-two million, five hundred thousand, forty".