40889692944 has 225 divisors, whose sum is σ = 122195430511. Its totient is φ = 13200399360.

The previous prime is 40889692939. The next prime is 40889692979. The reversal of 40889692944 is 44929698804.

The square root of 40889692944 is 202212.

It is a perfect power (a square), and thus also a powerful number.

40889692944 is a `hidden beast` number, since 408 + 89 + 69 + 2 + 94 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 8593290000 + 32296402944 = 92700^2 + 179712^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 298464844 + ... + 298464980.

Almost surely, 2^40889692944 is an apocalyptic number.

40889692944 is the 202212-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40889692944

40889692944 is an abundant number, since it is smaller than the sum of its proper divisors (81305737567).

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

40889692944 is an equidigital number, since it uses as much as digits as its factorization.

40889692944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 35831808, while the sum is 63.

The spelling of 40889692944 in words is "forty billion, eight hundred eighty-nine million, six hundred ninety-two thousand, nine hundred forty-four".