40448808487 has 2 divisors, whose sum is σ = 40448808488. Its totient is φ = 40448808486.

The previous prime is 40448808473. The next prime is 40448808503. The reversal of 40448808487 is 78480884404.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40448808487 is a prime.

It is a super-2 number, since 2×40448808487² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40448808427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20224404243 + 20224404244.

It is an arithmetic number, because the mean of its divisors is an integer number (20224404244).

Almost surely, 2^40448808487 is an apocalyptic number.

40448808487 is a deficient number, since it is larger than the sum of its proper divisors (1).

40448808487 is an equidigital number, since it uses as much as digits as its factorization.

40448808487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7340032, while the sum is 55.

The spelling of 40448808487 in words is "forty billion, four hundred forty-eight million, eight hundred eight thousand, four hundred eighty-seven".