40556701 has 2 divisors, whose sum is σ = 40556702. Its totient is φ = 40556700.

The previous prime is 40556689. The next prime is 40556707. The reversal of 40556701 is 10765504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31248100 + 9308601 = 5590^2 + 3051^2 .

It is a cyclic number.

It is not a de Polignac number, because 40556701 - 2⁹ = 40556189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40556701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40556707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20278350 + 20278351.

It is an arithmetic number, because the mean of its divisors is an integer number (20278351).

Almost surely, 2^40556701 is an apocalyptic number.

It is an amenable number.

40556701 is a deficient number, since it is larger than the sum of its proper divisors (1).

40556701 is an equidigital number, since it uses as much as digits as its factorization.

40556701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 40556701 is about 6368.4143238329. The cubic root of 40556701 is about 343.5744608539.

The spelling of 40556701 in words is "forty million, five hundred fifty-six thousand, seven hundred one".