40402317474 has 24 divisors (see below), whose sum is σ = 87631815180. Its totient is φ = 13453060608.

The previous prime is 40402317463. The next prime is 40402317491. The reversal of 40402317474 is 47471320404.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 40274469225 + 127848249 = 200685^2 + 11307^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1180879 + ... + 1214610.

Almost surely, 2^40402317474 is an apocalyptic number.

40402317474 is an abundant number, since it is smaller than the sum of its proper divisors (47229497706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40402317474 is a wasteful number, since it uses less digits than its factorization.

40402317474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2396434 (or 2396431 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 36.

Adding to 40402317474 its reverse (47471320404), we get a palindrome (87873637878).

The spelling of 40402317474 in words is "forty billion, four hundred two million, three hundred seventeen thousand, four hundred seventy-four".