40405201156 has 6 divisors (see below), whose sum is σ = 70709102030. Its totient is φ = 20202600576.

The previous prime is 40405201121. The next prime is 40405201169. The reversal of 40405201156 is 65110250404.

It can be written as a sum of positive squares in only one way, i.e., 40006400256 + 398800900 = 200016^2 + 19970^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050650141 + ... + 5050650148.

Almost surely, 2^40405201156 is an apocalyptic number.

It is an amenable number.

40405201156 is a deficient number, since it is larger than the sum of its proper divisors (30303900874).

40405201156 is a wasteful number, since it uses less digits than its factorization.

40405201156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10101300293 (or 10101300291 counting only the distinct ones).

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

The spelling of 40405201156 in words is "forty billion, four hundred five million, two hundred one thousand, one hundred fifty-six".