40511026450 has 24 divisors (see below), whose sum is σ = 75552556068. Its totient is φ = 16160959680.

The previous prime is 40511026441. The next prime is 40511026483. The reversal of 40511026450 is 5462011504.

It can be written as a sum of positive squares in 6 ways, for example, as 22344569361 + 18166457089 = 149481^2 + 134783^2 .

It is a super-2 number, since 2×40511026450² (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 (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1067437 + ... + 1104736.

Almost surely, 2^40511026450 is an apocalyptic number.

40511026450 is a deficient number, since it is larger than the sum of its proper divisors (35041529618).

40511026450 is a wasteful number, since it uses less digits than its factorization.

40511026450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172558 (or 2172553 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 40511026450 its reverse (5462011504), we get a palindrome (45973037954).

The spelling of 40511026450 in words is "forty billion, five hundred eleven million, twenty-six thousand, four hundred fifty".