40426421459503 has 2 divisors, whose sum is σ = 40426421459504. Its totient is φ = 40426421459502.

The previous prime is 40426421459351. The next prime is 40426421459513. The reversal of 40426421459503 is 30595412462404.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40426421459503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40426421459513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20213210729751 + 20213210729752.

It is an arithmetic number, because the mean of its divisors is an integer number (20213210729752).

Almost surely, 2^{40426421459503} is an apocalyptic number.

40426421459503 is a deficient number, since it is larger than the sum of its proper divisors (1).

40426421459503 is an equidigital number, since it uses as much as digits as its factorization.

40426421459503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4147200, while the sum is 49.

The spelling of 40426421459503 in words is "forty trillion, four hundred twenty-six billion, four hundred twenty-one million, four hundred fifty-nine thousand, five hundred three".