40649235352 has 32 divisors (see below), whose sum is σ = 83155410000. Its totient is φ = 18474870400.

The previous prime is 40649235349. The next prime is 40649235353. The reversal of 40649235352 is 25353294604.

40649235352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40649235299 and 40649235308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40649235353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1002774 + ... + 1042522.

Almost surely, 2^40649235352 is an apocalyptic number.

It is an amenable number.

40649235352 is an abundant number, since it is smaller than the sum of its proper divisors (42506174648).

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

40649235352 is a wasteful number, since it uses less digits than its factorization.

40649235352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51387 (or 51383 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 40649235352 in words is "forty billion, six hundred forty-nine million, two hundred thirty-five thousand, three hundred fifty-two".