400121468 has 24 divisors (see below), whose sum is σ = 734296080. Its totient is φ = 190512000.

The previous prime is 400121467. The next prime is 400121569. The reversal of 400121468 is 864121004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400121467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15158 + ... + 32093.

It is an arithmetic number, because the mean of its divisors is an integer number (30595670).

Almost surely, 2^400121468 is an apocalyptic number.

It is an amenable number.

400121468 is a deficient number, since it is larger than the sum of its proper divisors (334174612).

400121468 is a wasteful number, since it uses less digits than its factorization.

400121468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47357 (or 47355 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 400121468 is about 20003.0364694963. The cubic root of 400121468 is about 736.8808741696.

The spelling of 400121468 in words is "four hundred million, one hundred twenty-one thousand, four hundred sixty-eight".