40609741 has 2 divisors, whose sum is σ = 40609742. Its totient is φ = 40609740.

The previous prime is 40609727. The next prime is 40609763. The reversal of 40609741 is 14790604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29387241 + 11222500 = 5421^2 + 3350^2 .

It is a cyclic number.

It is not a de Polignac number, because 40609741 - 2¹³ = 40601549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40609711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20304870 + 20304871.

It is an arithmetic number, because the mean of its divisors is an integer number (20304871).

Almost surely, 2^40609741 is an apocalyptic number.

It is an amenable number.

40609741 is a deficient number, since it is larger than the sum of its proper divisors (1).

40609741 is an equidigital number, since it uses as much as digits as its factorization.

40609741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 40609741 is about 6372.5772651259. The cubic root of 40609741 is about 343.7241710180.

The spelling of 40609741 in words is "forty million, six hundred nine thousand, seven hundred forty-one".