408104426487 has 8 divisors (see below), whose sum is σ = 548423796736. Its totient is φ = 269927336952.

The previous prime is 408104426453. The next prime is 408104426497. The reversal of 408104426487 is 784624401804.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 408104426487 - 2¹² = 408104422391 is a prime.

It is a super-2 number, since 2×408104426487² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408104426437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 535569733 + ... + 535570494.

It is an arithmetic number, because the mean of its divisors is an integer number (68552974592).

Almost surely, 2^408104426487 is an apocalyptic number.

408104426487 is a deficient number, since it is larger than the sum of its proper divisors (140319370249).

408104426487 is a wasteful number, since it uses less digits than its factorization.

408104426487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071140357.

The product of its (nonzero) digits is 1376256, while the sum is 48.

The spelling of 408104426487 in words is "four hundred eight billion, one hundred four million, four hundred twenty-six thousand, four hundred eighty-seven".