406463203642020 has 192 divisors, whose sum is σ = 1352578048819200. Its totient is φ = 89232578588160.

The previous prime is 406463203641953. The next prime is 406463203642061. The reversal of 406463203642020 is 20246302364604.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 85033210 + ... + 89685969.

It is an arithmetic number, because the mean of its divisors is an integer number (7044677337600).

Almost surely, 2^{406463203642020} is an apocalyptic number.

It is an amenable number.

406463203642020 is an abundant number, since it is smaller than the sum of its proper divisors (946114845177180).

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

406463203642020 is a wasteful number, since it uses less digits than its factorization.

406463203642020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174719418 (or 174719416 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 42.

The spelling of 406463203642020 in words is "four hundred six trillion, four hundred sixty-three billion, two hundred three million, six hundred forty-two thousand, twenty".