40066012380 has 24 divisors (see below), whose sum is σ = 112184834832. Its totient is φ = 10684269952.

The previous prime is 40066012379. The next prime is 40066012409. The reversal of 40066012380 is 8321066004.

40066012380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333883377 + ... + 333883496.

It is an arithmetic number, because the mean of its divisors is an integer number (4674368118).

Almost surely, 2^40066012380 is an apocalyptic number.

It is an amenable number.

40066012380 is an abundant number, since it is smaller than the sum of its proper divisors (72118822452).

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

40066012380 is a wasteful number, since it uses less digits than its factorization.

40066012380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667766885 (or 667766883 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 40066012380 its reverse (8321066004), we get a palindrome (48387078384).

The spelling of 40066012380 in words is "forty billion, sixty-six million, twelve thousand, three hundred eighty".