40205652 has 12 divisors (see below), whose sum is σ = 93813216. Its totient is φ = 13401880.

The previous prime is 40205651. The next prime is 40205657. The reversal of 40205652 is 25650204.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40205651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1675224 + ... + 1675247.

It is an arithmetic number, because the mean of its divisors is an integer number (7817768).

Almost surely, 2^40205652 is an apocalyptic number.

It is an amenable number.

40205652 is an abundant number, since it is smaller than the sum of its proper divisors (53607564).

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

40205652 is a wasteful number, since it uses less digits than its factorization.

40205652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3350478 (or 3350476 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 40205652 is about 6340.7926949239. The cubic root of 40205652 is about 342.5802877116.

Adding to 40205652 its reverse (25650204), we get a palindrome (65855856).

The spelling of 40205652 in words is "forty million, two hundred five thousand, six hundred fifty-two".