403421564346016 has 96 divisors (see below), whose sum is σ = 852337468426752. Its totient is φ = 187290800701440.

The previous prime is 403421564345959. The next prime is 403421564346029. The reversal of 403421564346016 is 610643465124304.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 350896 + ... + 28407151.

It is an arithmetic number, because the mean of its divisors is an integer number (8878515296112).

Almost surely, 2^{403421564346016} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 403421564346016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (426168734213376).

403421564346016 is an abundant number, since it is smaller than the sum of its proper divisors (448915904080736).

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

403421564346016 is a wasteful number, since it uses less digits than its factorization.

403421564346016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28758422 (or 28758414 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 49.

The spelling of 403421564346016 in words is "four hundred three trillion, four hundred twenty-one billion, five hundred sixty-four million, three hundred forty-six thousand, sixteen".