403894682112 has 160 divisors (see below), whose sum is σ = 1158976177920. Its totient is φ = 124579123200.

The previous prime is 403894682077. The next prime is 403894682137. The reversal of 403894682112 is 211286498304.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1093987 + ... + 1415837.

It is an arithmetic number, because the mean of its divisors is an integer number (7243601112).

Almost surely, 2^403894682112 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 403894682112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (579488088960).

403894682112 is an abundant number, since it is smaller than the sum of its proper divisors (755081495808).

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

403894682112 is a wasteful number, since it uses less digits than its factorization.

403894682112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321934 (or 321918 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 48.

The spelling of 403894682112 in words is "four hundred three billion, eight hundred ninety-four million, six hundred eighty-two thousand, one hundred twelve".