400010282112 has 64 divisors (see below), whose sum is σ = 1214316936000. Its totient is φ = 114288651264.

The previous prime is 400010282101. The next prime is 400010282129. The reversal of 400010282112 is 211282010004.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74403987 + ... + 74409362.

It is an arithmetic number, because the mean of its divisors is an integer number (18973702125).

Almost surely, 2^400010282112 is an apocalyptic number.

400010282112 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

400010282112 is an abundant number, since it is smaller than the sum of its proper divisors (814306653888).

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

400010282112 is a wasteful number, since it uses less digits than its factorization.

400010282112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148813373 (or 148813361 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 400010282112 its reverse (211282010004), we get a palindrome (611292292116).

The spelling of 400010282112 in words is "four hundred billion, ten million, two hundred eighty-two thousand, one hundred twelve".