40058065944 has 336 divisors, whose sum is σ = 123491730600. Its totient is φ = 12169377792.

The previous prime is 40058065939. The next prime is 40058065961. The reversal of 40058065944 is 44956085004.

40058065944 is a `hidden beast` number, since 4 + 0 + 0 + 58 + 0 + 6 + 594 + 4 = 666.

It is a super-2 number, since 2×40058065944² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40058065944.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 95603767 + ... + 95604185.

Almost surely, 2^40058065944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40058065944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61745865300).

40058065944 is an abundant number, since it is smaller than the sum of its proper divisors (83433664656).

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

40058065944 is a wasteful number, since it uses less digits than its factorization.

40058065944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566 (or 534 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 40058065944 in words is "forty billion, fifty-eight million, sixty-five thousand, nine hundred forty-four".