40777033401 has 12 divisors (see below), whose sum is σ = 63430941028. Its totient is φ = 25093558944.

The previous prime is 40777033373. The next prime is 40777033411. The reversal of 40777033401 is 10433077704.

It can be written as a sum of positive squares in 2 ways, for example, as 26936687376 + 13840346025 = 164124^2 + 117645^2 .

It is not a de Polignac number, because 40777033401 - 2⁷ = 40777033273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40777033411) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 174260710 + ... + 174260943.

Almost surely, 2^40777033401 is an apocalyptic number.

It is an amenable number.

40777033401 is a deficient number, since it is larger than the sum of its proper divisors (22653907627).

40777033401 is a wasteful number, since it uses less digits than its factorization.

40777033401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348521672 (or 348521669 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 36.

The spelling of 40777033401 in words is "forty billion, seven hundred seventy-seven million, thirty-three thousand, four hundred one".