40091652396 has 36 divisors (see below), whose sum is σ = 101610217800. Its totient is φ = 13328618688.

The previous prime is 40091652361. The next prime is 40091652397. The reversal of 40091652396 is 69325619004.

40091652396 is a `hidden beast` number, since 400 + 9 + 1 + 6 + 5 + 239 + 6 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (40091652397) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1455561 + ... + 1482848.

It is an arithmetic number, because the mean of its divisors is an integer number (2822506050).

Almost surely, 2^40091652396 is an apocalyptic number.

It is an amenable number.

40091652396 is an abundant number, since it is smaller than the sum of its proper divisors (61518565404).

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

40091652396 is a wasteful number, since it uses less digits than its factorization.

40091652396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2938798 (or 2938793 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

Adding to 40091652396 its sum of digits (45), we get a square (40091652441 = 200229²).

The spelling of 40091652396 in words is "forty billion, ninety-one million, six hundred fifty-two thousand, three hundred ninety-six".