40619741 has 2 divisors, whose sum is σ = 40619742. Its totient is φ = 40619740.

The previous prime is 40619737. The next prime is 40619743. The reversal of 40619741 is 14791604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37884025 + 2735716 = 6155^2 + 1654^2 .

It is a cyclic number.

It is not a de Polignac number, because 40619741 - 2² = 40619737 is a prime.

Together with 40619743, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 40619698 and 40619707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40619743) 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 as a sum of consecutive naturals, namely, 20309870 + 20309871.

It is an arithmetic number, because the mean of its divisors is an integer number (20309871).

Almost surely, 2^40619741 is an apocalyptic number.

It is an amenable number.

40619741 is a deficient number, since it is larger than the sum of its proper divisors (1).

40619741 is an equidigital number, since it uses as much as digits as its factorization.

40619741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 40619741 is about 6373.3618287369. The cubic root of 40619741 is about 343.7523823086.

The spelling of 40619741 in words is "forty million, six hundred nineteen thousand, seven hundred forty-one".