402446555052 has 12 divisors (see below), whose sum is σ = 939041961816. Its totient is φ = 134148851680.

The previous prime is 402446555041. The next prime is 402446555087. The reversal of 402446555052 is 250555644204.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 402446554995 and 402446555013.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16768606449 + ... + 16768606472.

It is an arithmetic number, because the mean of its divisors is an integer number (78253496818).

Almost surely, 2^402446555052 is an apocalyptic number.

It is an amenable number.

402446555052 is an abundant number, since it is smaller than the sum of its proper divisors (536595406764).

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

402446555052 is a wasteful number, since it uses less digits than its factorization.

402446555052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33537212928 (or 33537212926 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 42.

The spelling of 402446555052 in words is "four hundred two billion, four hundred forty-six million, five hundred fifty-five thousand, fifty-two".