42499035252 has 36 divisors (see below), whose sum is σ = 107535959076. Its totient is φ = 14152124160.

The previous prime is 42499035239. The next prime is 42499035263. The reversal of 42499035252 is 25253099424.

42499035252 is a `hidden beast` number, since 4 + 249 + 9 + 0 + 352 + 52 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 39284825616 + 3214209636 = 198204^2 + 56694^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-4 number, since 4×42499035252⁴ (a number of 44 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42499035198 and 42499035207.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 556149 + ... + 627932.

Almost surely, 2^42499035252 is an apocalyptic number.

It is an amenable number.

42499035252 is an abundant number, since it is smaller than the sum of its proper divisors (65036923824).

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

42499035252 is a wasteful number, since it uses less digits than its factorization.

42499035252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185088 (or 1185083 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 42499035252 in words is "forty-two billion, four hundred ninety-nine million, thirty-five thousand, two hundred fifty-two".