408129046550 has 12 divisors (see below), whose sum is σ = 759120026676. Its totient is φ = 163251618600.

The previous prime is 408129046531. The next prime is 408129046579. The reversal of 408129046550 is 55640921804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4081290416 + ... + 4081290515.

It is an arithmetic number, because the mean of its divisors is an integer number (63260002223).

Almost surely, 2^408129046550 is an apocalyptic number.

408129046550 is a deficient number, since it is larger than the sum of its proper divisors (350990980126).

408129046550 is a wasteful number, since it uses less digits than its factorization.

408129046550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8162580943 (or 8162580938 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 44.

The spelling of 408129046550 in words is "four hundred eight billion, one hundred twenty-nine million, forty-six thousand, five hundred fifty".