408480887389 has 16 divisors (see below), whose sum is σ = 443590848000. Its totient is φ = 375203828160.

The previous prime is 408480887377. The next prime is 408480887401. The reversal of 408480887389 is 983788084804.

It is an interprime number because it is at equal distance from previous prime (408480887377) and next prime (408480887401).

It is a de Polignac number, because none of the positive numbers 2^k-408480887389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408480887359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3797574 + ... + 3903655.

It is an arithmetic number, because the mean of its divisors is an integer number (27724428000).

Almost surely, 2^408480887389 is an apocalyptic number.

It is an amenable number.

408480887389 is a deficient number, since it is larger than the sum of its proper divisors (35109960611).

408480887389 is a wasteful number, since it uses less digits than its factorization.

408480887389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7701348.

The product of its (nonzero) digits is 99090432, while the sum is 67.

The spelling of 408480887389 in words is "four hundred eight billion, four hundred eighty million, eight hundred eighty-seven thousand, three hundred eighty-nine".