40039130377 has 4 divisors (see below), whose sum is σ = 40891026816. Its totient is φ = 39187233940.

The previous prime is 40039130359. The next prime is 40039130393. The reversal of 40039130377 is 77303193004.

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 40039130377 - 2¹⁹ = 40038606089 is a prime.

It is a super-2 number, since 2×40039130377² (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 (40039130177) by changing a digit.

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, 425948149 + ... + 425948242.

It is an arithmetic number, because the mean of its divisors is an integer number (10222756704).

Almost surely, 2^40039130377 is an apocalyptic number.

40039130377 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

40039130377 is a deficient number, since it is larger than the sum of its proper divisors (851896439).

40039130377 is an equidigital number, since it uses as much as digits as its factorization.

40039130377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851896438.

The product of its (nonzero) digits is 47628, while the sum is 37.

The spelling of 40039130377 in words is "forty billion, thirty-nine million, one hundred thirty thousand, three hundred seventy-seven".