40341487 has 2 divisors, whose sum is σ = 40341488. Its totient is φ = 40341486.

The previous prime is 40341481. The next prime is 40341583. The reversal of 40341487 is 78414304.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40341487 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40341481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20170743 + 20170744.

It is an arithmetic number, because the mean of its divisors is an integer number (20170744).

Almost surely, 2^40341487 is an apocalyptic number.

40341487 is a deficient number, since it is larger than the sum of its proper divisors (1).

40341487 is an equidigital number, since it uses as much as digits as its factorization.

40341487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 40341487 is about 6351.4948634160. The cubic root of 40341487 is about 342.9656571281.

The spelling of 40341487 in words is "forty million, three hundred forty-one thousand, four hundred eighty-seven".