40025502122 has 4 divisors (see below), whose sum is σ = 60038253186. Its totient is φ = 20012751060.

The previous prime is 40025502067. The next prime is 40025502137. The reversal of 40025502122 is 22120552004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 26777722321 + 13247779801 = 163639^2 + 115099^2 .

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, 10006375529 + ... + 10006375532.

Almost surely, 2^40025502122 is an apocalyptic number.

40025502122 is a deficient number, since it is larger than the sum of its proper divisors (20012751064).

40025502122 is a wasteful number, since it uses less digits than its factorization.

40025502122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20012751063.

The product of its (nonzero) digits is 1600, while the sum is 23.

The spelling of 40025502122 in words is "forty billion, twenty-five million, five hundred two thousand, one hundred twenty-two".