40003229977 has 4 divisors (see below), whose sum is σ = 40004126080. Its totient is φ = 40002333876.

The previous prime is 40003229899. The next prime is 40003229993. The reversal of 40003229977 is 77992230004.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40003229977 - 2¹⁵ = 40003197209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40003029977) 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, 377373 + ... + 471610.

It is an arithmetic number, because the mean of its divisors is an integer number (10001031520).

Almost surely, 2^40003229977 is an apocalyptic number.

It is an amenable number.

40003229977 is a deficient number, since it is larger than the sum of its proper divisors (896103).

40003229977 is an equidigital number, since it uses as much as digits as its factorization.

40003229977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896102.

The product of its (nonzero) digits is 190512, while the sum is 43.

The spelling of 40003229977 in words is "forty billion, three million, two hundred twenty-nine thousand, nine hundred seventy-seven".