408459671490 has 32 divisors (see below), whose sum is σ = 1055711151936. Its totient is φ = 100543919040.

The previous prime is 408459671489. The next prime is 408459671491. The reversal of 408459671490 is 94176954804.

It is an interprime number because it is at equal distance from previous prime (408459671489) and next prime (408459671491).

It is a self number, because there is not a number n which added to its sum of digits gives 408459671490.

It is not an unprimeable number, because it can be changed into a prime (408459671491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 523665856 + ... + 523666635.

It is an arithmetic number, because the mean of its divisors is an integer number (32990973498).

Almost surely, 2^408459671490 is an apocalyptic number.

408459671490 is an abundant number, since it is smaller than the sum of its proper divisors (647251480446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

408459671490 is a wasteful number, since it uses less digits than its factorization.

408459671490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047332514.

The product of its (nonzero) digits is 8709120, while the sum is 57.

The spelling of 408459671490 in words is "four hundred eight billion, four hundred fifty-nine million, six hundred seventy-one thousand, four hundred ninety".