402471897312 has 192 divisors, whose sum is σ = 1120576343040. Its totient is φ = 126219878400.

The previous prime is 402471897301. The next prime is 402471897349. The reversal of 402471897312 is 213798174204.

It is a Harshad number since it is a multiple of its sum of digits (48).

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 31 ways as a sum of consecutive naturals, for example, 72267264 + ... + 72272832.

It is an arithmetic number, because the mean of its divisors is an integer number (5836335120).

Almost surely, 2^402471897312 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 402471897312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (560288171520).

402471897312 is an abundant number, since it is smaller than the sum of its proper divisors (718104445728).

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

402471897312 is a wasteful number, since it uses less digits than its factorization.

402471897312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6137 (or 6129 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 48.

The spelling of 402471897312 in words is "four hundred two billion, four hundred seventy-one million, eight hundred ninety-seven thousand, three hundred twelve".