40033400377 has 8 divisors (see below), whose sum is σ = 40348362600. Its totient is φ = 39719662080.

The previous prime is 40033400371. The next prime is 40033400389. The reversal of 40033400377 is 77300433004.

It can be written as a sum of positive squares in 4 ways, for example, as 4886149801 + 35147250576 = 69901^2 + 187476^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40033400377 - 2¹¹ = 40033398329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40033400371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240252 + ... + 371197.

It is an arithmetic number, because the mean of its divisors is an integer number (5043545325).

Almost surely, 2^40033400377 is an apocalyptic number.

It is an amenable number.

40033400377 is a deficient number, since it is larger than the sum of its proper divisors (314962223).

40033400377 is a wasteful number, since it uses less digits than its factorization.

40033400377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611963.

The product of its (nonzero) digits is 21168, while the sum is 31.

The spelling of 40033400377 in words is "forty billion, thirty-three million, four hundred thousand, three hundred seventy-seven".