40065879552 has 40 divisors (see below), whose sum is σ = 106738011336. Its totient is φ = 13355292672.

The previous prime is 40065879521. The next prime is 40065879569. The reversal of 40065879552 is 25597856004.

It is a junction number, because it is equal to n+sod(n) for n = 40065879495 and 40065879504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13040743 + ... + 13043814.

Almost surely, 2^40065879552 is an apocalyptic number.

It is an amenable number.

40065879552 is an abundant number, since it is smaller than the sum of its proper divisors (66672131784).

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

40065879552 is an equidigital number, since it uses as much as digits as its factorization.

40065879552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26084578 (or 26084562 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 51.

The spelling of 40065879552 in words is "forty billion, sixty-five million, eight hundred seventy-nine thousand, five hundred fifty-two".