405840072214 has 4 divisors (see below), whose sum is σ = 608760108324. Its totient is φ = 202920036106.

The previous prime is 405840072199. The next prime is 405840072217. The reversal of 405840072214 is 412270048504.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405840072217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101460018052 + ... + 101460018055.

It is an arithmetic number, because the mean of its divisors is an integer number (152190027081).

Almost surely, 2^405840072214 is an apocalyptic number.

405840072214 is a deficient number, since it is larger than the sum of its proper divisors (202920036110).

405840072214 is a wasteful number, since it uses less digits than its factorization.

405840072214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202920036109.

The product of its (nonzero) digits is 71680, while the sum is 37.

The spelling of 405840072214 in words is "four hundred five billion, eight hundred forty million, seventy-two thousand, two hundred fourteen".