400102054 has 8 divisors (see below), whose sum is σ = 654712488. Its totient is φ = 181864560.

The previous prime is 400102051. The next prime is 400102063. The reversal of 400102054 is 450201004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400102051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9093207 + ... + 9093250.

It is an arithmetic number, because the mean of its divisors is an integer number (81839061).

Almost surely, 2^400102054 is an apocalyptic number.

400102054 is a deficient number, since it is larger than the sum of its proper divisors (254610434).

400102054 is a wasteful number, since it uses less digits than its factorization.

400102054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18186470.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 400102054 is about 20002.5511872861. The cubic root of 400102054 is about 736.8689560915.

Adding to 400102054 its reverse (450201004), we get a palindrome (850303058).

The spelling of 400102054 in words is "four hundred million, one hundred two thousand, fifty-four".