40505551234 has 16 divisors (see below), whose sum is σ = 64386456120. Its totient is φ = 19077466240.

The previous prime is 40505551201. The next prime is 40505551249. The reversal of 40505551234 is 43215550504.

It can be written as a sum of positive squares in 4 ways, for example, as 28128321225 + 12377230009 = 167715^2 + 111253^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40505551234.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8514349 + ... + 8519104.

Almost surely, 2^40505551234 is an apocalyptic number.

40505551234 is a deficient number, since it is larger than the sum of its proper divisors (23880904886).

40505551234 is a wasteful number, since it uses less digits than its factorization.

40505551234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17033525.

The product of its (nonzero) digits is 60000, while the sum is 34.

The spelling of 40505551234 in words is "forty billion, five hundred five million, five hundred fifty-one thousand, two hundred thirty-four".