40551722152 has 8 divisors (see below), whose sum is σ = 76034479050. Its totient is φ = 20275861072.

The previous prime is 40551722147. The next prime is 40551722171. The reversal of 40551722152 is 25122715504.

It can be written as a sum of positive squares in only one way, i.e., 33476557156 + 7075164996 = 182966^2 + 84114^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×40551722152² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2534482627 + ... + 2534482642.

Almost surely, 2^40551722152 is an apocalyptic number.

It is an amenable number.

40551722152 is a deficient number, since it is larger than the sum of its proper divisors (35482756898).

40551722152 is a wasteful number, since it uses less digits than its factorization.

40551722152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5068965275 (or 5068965271 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 34.

The spelling of 40551722152 in words is "forty billion, five hundred fifty-one million, seven hundred twenty-two thousand, one hundred fifty-two".