40015624463 has 2 divisors, whose sum is σ = 40015624464. Its totient is φ = 40015624462.

The previous prime is 40015624459. The next prime is 40015624469. The reversal of 40015624463 is 36442651004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40015624463 - 2² = 40015624459 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40015624469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20007812231 + 20007812232.

It is an arithmetic number, because the mean of its divisors is an integer number (20007812232).

Almost surely, 2^40015624463 is an apocalyptic number.

40015624463 is a deficient number, since it is larger than the sum of its proper divisors (1).

40015624463 is an equidigital number, since it uses as much as digits as its factorization.

40015624463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 40015624463 in words is "forty billion, fifteen million, six hundred twenty-four thousand, four hundred sixty-three".