40404100738 has 8 divisors (see below), whose sum is σ = 60785992332. Its totient is φ = 20142103296.

The previous prime is 40404100729. The next prime is 40404100747. The reversal of 40404100738 is 83700140404.

It is an interprime number because it is at equal distance from previous prime (40404100729) and next prime (40404100747).

It can be written as a sum of positive squares in 2 ways, for example, as 39571951329 + 832149409 = 198927^2 + 28847^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29972695 + ... + 29974042.

Almost surely, 2^40404100738 is an apocalyptic number.

40404100738 is a deficient number, since it is larger than the sum of its proper divisors (20381891594).

40404100738 is a wasteful number, since it uses less digits than its factorization.

40404100738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59947076.

The product of its (nonzero) digits is 10752, while the sum is 31.

The spelling of 40404100738 in words is "forty billion, four hundred four million, one hundred thousand, seven hundred thirty-eight".