400011121414 has 4 divisors (see below), whose sum is σ = 600016682124. Its totient is φ = 200005560706.

The previous prime is 400011121409. The next prime is 400011121429. The reversal of 400011121414 is 414121110004.

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

It is a junction number, because it is equal to n+sod(n) for n = 400011121391 and 400011121400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100002780352 + ... + 100002780355.

It is an arithmetic number, because the mean of its divisors is an integer number (150004170531).

Almost surely, 2^400011121414 is an apocalyptic number.

400011121414 is a deficient number, since it is larger than the sum of its proper divisors (200005560710).

400011121414 is a wasteful number, since it uses less digits than its factorization.

400011121414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200005560709.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 400011121414 its reverse (414121110004), we get a palindrome (814132231418).

The spelling of 400011121414 in words is "four hundred billion, eleven million, one hundred twenty-one thousand, four hundred fourteen".