40144344377 has 8 divisors (see below), whose sum is σ = 40561036992. Its totient is φ = 39729690000.

The previous prime is 40144344349. The next prime is 40144344421. The reversal of 40144344377 is 77344344104.

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 40144344377 - 2¹⁶ = 40144278841 is a prime.

It is a super-2 number, since 2×40144344377² (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 (40144344677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 469949 + ... + 548762.

It is an arithmetic number, because the mean of its divisors is an integer number (5070129624).

Almost surely, 2^40144344377 is an apocalyptic number.

It is an amenable number.

40144344377 is a deficient number, since it is larger than the sum of its proper divisors (416692615).

40144344377 is a wasteful number, since it uses less digits than its factorization.

40144344377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019119.

The product of its (nonzero) digits is 451584, while the sum is 41.

The spelling of 40144344377 in words is "forty billion, one hundred forty-four million, three hundred forty-four thousand, three hundred seventy-seven".