40398073177 has 16 divisors (see below), whose sum is σ = 51394320000. Its totient is φ = 31479015120.

The previous prime is 40398073171. The next prime is 40398073189. The reversal of 40398073177 is 77137089304.

It is not a de Polignac number, because 40398073177 - 2³ = 40398073169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40398073177.

It is not an unprimeable number, because it can be changed into a prime (40398073171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5349802 + ... + 5357347.

It is an arithmetic number, because the mean of its divisors is an integer number (3212145000).

Almost surely, 2^40398073177 is an apocalyptic number.

It is an amenable number.

40398073177 is a deficient number, since it is larger than the sum of its proper divisors (10996246823).

40398073177 is a wasteful number, since it uses less digits than its factorization.

40398073177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10707181 (or 10707167 counting only the distinct ones).

The product of its (nonzero) digits is 889056, while the sum is 49.

The spelling of 40398073177 in words is "forty billion, three hundred ninety-eight million, seventy-three thousand, one hundred seventy-seven".