40217311450 has 24 divisors (see below), whose sum is σ = 75074276412. Its totient is φ = 16028843520.

The previous prime is 40217311439. The next prime is 40217311481. The reversal of 40217311450 is 5411371204.

It can be written as a sum of positive squares in 6 ways, for example, as 6707446201 + 33509865249 = 81899^2 + 183057^2 .

It is a super-2 number, since 2×40217311450² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1438039 + ... + 1465738.

Almost surely, 2^40217311450 is an apocalyptic number.

40217311450 is a deficient number, since it is larger than the sum of its proper divisors (34856964962).

40217311450 is a wasteful number, since it uses less digits than its factorization.

40217311450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2904066 (or 2904061 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

Adding to 40217311450 its reverse (5411371204), we get a palindrome (45628682654).

The spelling of 40217311450 in words is "forty billion, two hundred seventeen million, three hundred eleven thousand, four hundred fifty".