40946351 has 2 divisors, whose sum is σ = 40946352. Its totient is φ = 40946350.

The previous prime is 40946333. The next prime is 40946359. The reversal of 40946351 is 15364904.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40946351 - 2²² = 36752047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40946359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20473175 + 20473176.

It is an arithmetic number, because the mean of its divisors is an integer number (20473176).

Almost surely, 2^40946351 is an apocalyptic number.

40946351 is a deficient number, since it is larger than the sum of its proper divisors (1).

40946351 is an equidigital number, since it uses as much as digits as its factorization.

40946351 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 32.

The square root of 40946351 is about 6398.9335830277. The cubic root of 40946351 is about 344.6712572463.

The spelling of 40946351 in words is "forty million, nine hundred forty-six thousand, three hundred fifty-one".