40284463 has 2 divisors, whose sum is σ = 40284464. Its totient is φ = 40284462.

The previous prime is 40284443. The next prime is 40284479. The reversal of 40284463 is 36448204.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40284463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40284403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20142231 + 20142232.

It is an arithmetic number, because the mean of its divisors is an integer number (20142232).

Almost surely, 2^40284463 is an apocalyptic number.

40284463 is a deficient number, since it is larger than the sum of its proper divisors (1).

40284463 is an equidigital number, since it uses as much as digits as its factorization.

40284463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 40284463 is about 6347.0042539768. The cubic root of 40284463 is about 342.8039832346.

The spelling of 40284463 in words is "forty million, two hundred eighty-four thousand, four hundred sixty-three".