40164350252 has 12 divisors (see below), whose sum is σ = 75694352496. Its totient is φ = 18537392400.

The previous prime is 40164350209. The next prime is 40164350269. The reversal of 40164350252 is 25205346104.

It is a super-2 number, since 2×40164350252² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386195624 + ... + 386195727.

It is an arithmetic number, because the mean of its divisors is an integer number (6307862708).

Almost surely, 2^40164350252 is an apocalyptic number.

It is an amenable number.

40164350252 is a deficient number, since it is larger than the sum of its proper divisors (35530002244).

40164350252 is a wasteful number, since it uses less digits than its factorization.

40164350252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772391368 (or 772391366 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 40164350252 its reverse (25205346104), we get a palindrome (65369696356).

The spelling of 40164350252 in words is "forty billion, one hundred sixty-four million, three hundred fifty thousand, two hundred fifty-two".