40799447325 has 144 divisors (see below), whose sum is σ = 91285574016. Its totient is φ = 16958937600.

The previous prime is 40799447321. The next prime is 40799447341. The reversal of 40799447325 is 52374499704.

It is not a de Polignac number, because 40799447325 - 2² = 40799447321 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40799447321) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1356955 + ... + 1386695.

Almost surely, 2^40799447325 is an apocalyptic number.

40799447325 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40799447325 is an abundant number, since it is smaller than the sum of its proper divisors (50486126691).

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

40799447325 is a wasteful number, since it uses less digits than its factorization.

40799447325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29844 (or 29836 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 54.

The spelling of 40799447325 in words is "forty billion, seven hundred ninety-nine million, four hundred forty-seven thousand, three hundred twenty-five".