40992541 has 2 divisors, whose sum is σ = 40992542. Its totient is φ = 40992540.

The previous prime is 40992533. The next prime is 40992569. The reversal of 40992541 is 14529904.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35748441 + 5244100 = 5979^2 + 2290^2 .

It is a cyclic number.

It is not a de Polignac number, because 40992541 - 2³ = 40992533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40992497 and 40992506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40992521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20496270 + 20496271.

It is an arithmetic number, because the mean of its divisors is an integer number (20496271).

Almost surely, 2^40992541 is an apocalyptic number.

It is an amenable number.

40992541 is a deficient number, since it is larger than the sum of its proper divisors (1).

40992541 is an equidigital number, since it uses as much as digits as its factorization.

40992541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 40992541 is about 6402.5417608947. The cubic root of 40992541 is about 344.8008119958.

The spelling of 40992541 in words is "forty million, nine hundred ninety-two thousand, five hundred forty-one".