40043222552 has 16 divisors (see below), whose sum is σ = 75629081160. Its totient is φ = 19875467584.

The previous prime is 40043222491. The next prime is 40043222563. The reversal of 40043222552 is 25522234004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18266798 + ... + 18268989.

Almost surely, 2^40043222552 is an apocalyptic number.

It is an amenable number.

40043222552 is a deficient number, since it is larger than the sum of its proper divisors (35585858608).

40043222552 is a wasteful number, since it uses less digits than its factorization.

40043222552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36535930 (or 36535926 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

Adding to 40043222552 its reverse (25522234004), we get a palindrome (65565456556).

The spelling of 40043222552 in words is "forty billion, forty-three million, two hundred twenty-two thousand, five hundred fifty-two".