40498151 has 2 divisors, whose sum is σ = 40498152. Its totient is φ = 40498150.

The previous prime is 40498111. The next prime is 40498153. The reversal of 40498151 is 15189404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40498151 - 2²² = 36303847 is a prime.

Together with 40498153, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40498153) 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, 20249075 + 20249076.

It is an arithmetic number, because the mean of its divisors is an integer number (20249076).

Almost surely, 2^40498151 is an apocalyptic number.

40498151 is a deficient number, since it is larger than the sum of its proper divisors (1).

40498151 is an equidigital number, since it uses as much as digits as its factorization.

40498151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 40498151 is about 6363.8157578610. The cubic root of 40498151 is about 343.4090465713.

The spelling of 40498151 in words is "forty million, four hundred ninety-eight thousand, one hundred fifty-one".