40466145059 has 4 divisors (see below), whose sum is σ = 40467151704. Its totient is φ = 40465138416.

The previous prime is 40466145037. The next prime is 40466145061. The reversal of 40466145059 is 95054166404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40466145059 - 2¹² = 40466140963 is a prime.

It is a super-2 number, since 2×40466145059² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40466145659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440402 + ... + 524295.

It is an arithmetic number, because the mean of its divisors is an integer number (10116787926).

Almost surely, 2^40466145059 is an apocalyptic number.

40466145059 is a deficient number, since it is larger than the sum of its proper divisors (1006645).

40466145059 is an equidigital number, since it uses as much as digits as its factorization.

40466145059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006644.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 40466145059 in words is "forty billion, four hundred sixty-six million, one hundred forty-five thousand, fifty-nine".