40814951 has 2 divisors, whose sum is σ = 40814952. Its totient is φ = 40814950.

The previous prime is 40814947. The next prime is 40814953. The reversal of 40814951 is 15941804.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40814951 - 2² = 40814947 is a prime.

Together with 40814953, 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 (40814953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20407475 + 20407476.

It is an arithmetic number, because the mean of its divisors is an integer number (20407476).

Almost surely, 2^40814951 is an apocalyptic number.

40814951 is a deficient number, since it is larger than the sum of its proper divisors (1).

40814951 is an equidigital number, since it uses as much as digits as its factorization.

40814951 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 40814951 is about 6388.6579967940. The cubic root of 40814951 is about 344.3021699340.

The spelling of 40814951 in words is "forty million, eight hundred fourteen thousand, nine hundred fifty-one".