40870052447 has 6 divisors (see below), whose sum is σ = 47542714128. Its totient is φ = 35031473484.

The previous prime is 40870052413. The next prime is 40870052453. The reversal of 40870052447 is 74425007804.

It is a happy number.

It is not a de Polignac number, because 40870052447 - 2⁶ = 40870052383 is a prime.

It is a super-2 number, since 2×40870052447² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40870052477) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 417041303 + ... + 417041400.

It is an arithmetic number, because the mean of its divisors is an integer number (7923785688).

Almost surely, 2^40870052447 is an apocalyptic number.

40870052447 is a deficient number, since it is larger than the sum of its proper divisors (6672661681).

40870052447 is an equidigital number, since it uses as much as digits as its factorization.

40870052447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834082717 (or 834082710 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 41.

The spelling of 40870052447 in words is "forty billion, eight hundred seventy million, fifty-two thousand, four hundred forty-seven".