405421714652 has 12 divisors (see below), whose sum is σ = 751222589040. Its totient is φ = 190786689216.

The previous prime is 405421714559. The next prime is 405421714697. The reversal of 405421714652 is 256417124504.

It is a happy number.

It is a super-2 number, since 2×405421714652² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2981041952 + ... + 2981042087.

It is an arithmetic number, because the mean of its divisors is an integer number (62601882420).

Almost surely, 2^405421714652 is an apocalyptic number.

It is an amenable number.

405421714652 is a deficient number, since it is larger than the sum of its proper divisors (345800874388).

405421714652 is a wasteful number, since it uses less digits than its factorization.

405421714652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5962084060 (or 5962084058 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 41.

The spelling of 405421714652 in words is "four hundred five billion, four hundred twenty-one million, seven hundred fourteen thousand, six hundred fifty-two".