40354357 has 2 divisors, whose sum is σ = 40354358. Its totient is φ = 40354356.

The previous prime is 40354337. The next prime is 40354361. The reversal of 40354357 is 75345304.

40354357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40056241 + 298116 = 6329^2 + 546^2 .

It is a cyclic number.

It is not a de Polignac number, because 40354357 - 2¹⁹ = 39830069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40354337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20177178 + 20177179.

It is an arithmetic number, because the mean of its divisors is an integer number (20177179).

Almost surely, 2^40354357 is an apocalyptic number.

It is an amenable number.

40354357 is a deficient number, since it is larger than the sum of its proper divisors (1).

40354357 is an equidigital number, since it uses as much as digits as its factorization.

40354357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 31.

The square root of 40354357 is about 6352.5079299439. The cubic root of 40354357 is about 343.0021249518.

The spelling of 40354357 in words is "forty million, three hundred fifty-four thousand, three hundred fifty-seven".