40239652265 has 8 divisors (see below), whose sum is σ = 50829034560. Its totient is φ = 30497420592.

The previous prime is 40239652261. The next prime is 40239652283. The reversal of 40239652265 is 56225693204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40239652265 - 2² = 40239652261 is a prime.

It is a super-2 number, since 2×40239652265² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40239652261) 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, 211787549 + ... + 211787738.

It is an arithmetic number, because the mean of its divisors is an integer number (6353629320).

Almost surely, 2^40239652265 is an apocalyptic number.

It is an amenable number.

40239652265 is a deficient number, since it is larger than the sum of its proper divisors (10589382295).

40239652265 is a wasteful number, since it uses less digits than its factorization.

40239652265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423575311.

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 40239652265 in words is "forty billion, two hundred thirty-nine million, six hundred fifty-two thousand, two hundred sixty-five".