402020846332308 has 144 divisors (see below), whose sum is σ = 1170608172289920. Its totient is φ = 113954606836992.

The previous prime is 402020846332291. The next prime is 402020846332367. The reversal of 402020846332308 is 803233648020204.

402020846332308 is a `hidden beast` number, since 4 + 0 + 2 + 0 + 2 + 0 + 8 + 4 + 6 + 332 + 308 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10486198 + ... + 30232466.

It is an arithmetic number, because the mean of its divisors is an integer number (8129223418680).

Almost surely, 2^{402020846332308} 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 402020846332308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (585304086144960).

402020846332308 is an abundant number, since it is smaller than the sum of its proper divisors (768587325957612).

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

402020846332308 is a wasteful number, since it uses less digits than its factorization.

402020846332308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19746926 (or 19746921 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 45.

The spelling of 402020846332308 in words is "four hundred two trillion, twenty billion, eight hundred forty-six million, three hundred thirty-two thousand, three hundred eight".