40406011472 has 10 divisors (see below), whose sum is σ = 78286647258. Its totient is φ = 20203005728.

The previous prime is 40406011469. The next prime is 40406011543. The reversal of 40406011472 is 27411060404.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 37211953216 + 3194058256 = 192904^2 + 56516^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1262687843 + ... + 1262687874.

Almost surely, 2^40406011472 is an apocalyptic number.

It is an amenable number.

40406011472 is a deficient number, since it is larger than the sum of its proper divisors (37880635786).

40406011472 is a wasteful number, since it uses less digits than its factorization.

40406011472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2525375725 (or 2525375719 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

Adding to 40406011472 its reverse (27411060404), we get a palindrome (67817071876).

The spelling of 40406011472 in words is "forty billion, four hundred six million, eleven thousand, four hundred seventy-two".