40244626277 has 4 divisors (see below), whose sum is σ = 40247802636. Its totient is φ = 40241449920.

The previous prime is 40244626249. The next prime is 40244626283. The reversal of 40244626277 is 77262644204.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18326119876 + 21918506401 = 135374^2 + 148049^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40244626277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40244626217) 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 3 ways as a sum of consecutive naturals, for example, 1569098 + ... + 1594539.

It is an arithmetic number, because the mean of its divisors is an integer number (10061950659).

Almost surely, 2^40244626277 is an apocalyptic number.

It is an amenable number.

40244626277 is a deficient number, since it is larger than the sum of its proper divisors (3176359).

40244626277 is a wasteful number, since it uses less digits than its factorization.

40244626277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3176358.

The product of its (nonzero) digits is 903168, while the sum is 44.

The spelling of 40244626277 in words is "forty billion, two hundred forty-four million, six hundred twenty-six thousand, two hundred seventy-seven".