40216426564 has 6 divisors (see below), whose sum is σ = 70378746494. Its totient is φ = 20108213280.

The previous prime is 40216426559. The next prime is 40216426577. The reversal of 40216426564 is 46562461204.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 36783404100 + 3433022464 = 191790^2 + 58592^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5027053317 + ... + 5027053324.

Almost surely, 2^40216426564 is an apocalyptic number.

It is an amenable number.

40216426564 is a deficient number, since it is larger than the sum of its proper divisors (30162319930).

40216426564 is a wasteful number, since it uses less digits than its factorization.

40216426564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10054106645 (or 10054106643 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 40.

Adding to 40216426564 its reverse (46562461204), we get a palindrome (86778887768).

The spelling of 40216426564 in words is "forty billion, two hundred sixteen million, four hundred twenty-six thousand, five hundred sixty-four".