406463450372 has 96 divisors (see below), whose sum is σ = 850865541120. Its totient is φ = 166283136000.

The previous prime is 406463450369. The next prime is 406463450377. The reversal of 406463450372 is 273054364604.

It is a super-2 number, since 2×406463450372² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (406463450377) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13360154 + ... + 13390542.

It is an arithmetic number, because the mean of its divisors is an integer number (8863182720).

Almost surely, 2^406463450372 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 406463450372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (425432770560).

406463450372 is an abundant number, since it is smaller than the sum of its proper divisors (444402090748).

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

406463450372 is a wasteful number, since it uses less digits than its factorization.

406463450372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30693 (or 30691 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 44.

The spelling of 406463450372 in words is "four hundred six billion, four hundred sixty-three million, four hundred fifty thousand, three hundred seventy-two".