40952252068389 has 20 divisors (see below), whose sum is σ = 61177089261420. Its totient is φ = 27300830690880.

The previous prime is 40952252068373. The next prime is 40952252068417. The reversal of 40952252068389 is 98386025225904.

40952252068389 is a `hidden beast` number, since 4 + 0 + 9 + 5 + 22 + 520 + 6 + 8 + 3 + 89 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 15990537399489 + 24961714668900 = 3998817^2 + 4996170^2 .

It is not a de Polignac number, because 40952252068389 - 2⁴ = 40952252068373 is a prime.

It is a super-2 number, since 2×40952252068389² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40952252068349) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2881534 + ... + 9497775.

It is an arithmetic number, because the mean of its divisors is an integer number (3058854463071).

Almost surely, 2^{40952252068389} is an apocalyptic number.

It is an amenable number.

40952252068389 is a deficient number, since it is larger than the sum of its proper divisors (20224837193031).

40952252068389 is a wasteful number, since it uses less digits than its factorization.

40952252068389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12420162 (or 12420153 counting only the distinct ones).

The product of its (nonzero) digits is 74649600, while the sum is 63.

The spelling of 40952252068389 in words is "forty trillion, nine hundred fifty-two billion, two hundred fifty-two million, sixty-eight thousand, three hundred eighty-nine".