406700340400 has 30 divisors (see below), whose sum is σ = 977097568772. Its totient is φ = 162680136000.

The previous prime is 406700340379. The next prime is 406700340407. The reversal of 406700340400 is 4043007604.

It is not an unprimeable number, because it can be changed into a prime (406700340407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 508375026 + ... + 508375825.

Almost surely, 2^406700340400 is an apocalyptic number.

406700340400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

406700340400 is an abundant number, since it is smaller than the sum of its proper divisors (570397228372).

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

406700340400 is a wasteful number, since it uses less digits than its factorization.

406700340400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016750869 (or 1016750858 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The spelling of 406700340400 in words is "four hundred six billion, seven hundred million, three hundred forty thousand, four hundred".