240636136252 has 6 divisors (see below), whose sum is σ = 421113238448. Its totient is φ = 120318068124.

The previous prime is 240636136207. The next prime is 240636136267. The reversal of 240636136252 is 252631636042.

It is a super-2 number, since 2×240636136252² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30079517028 + ... + 30079517035.

Almost surely, 2^240636136252 is an apocalyptic number.

It is an amenable number.

240636136252 is a deficient number, since it is larger than the sum of its proper divisors (180477102196).

240636136252 is a wasteful number, since it uses less digits than its factorization.

240636136252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60159034067 (or 60159034065 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 240636136252 in words is "two hundred forty billion, six hundred thirty-six million, one hundred thirty-six thousand, two hundred fifty-two".