400550153 has 8 divisors (see below), whose sum is σ = 422769600. Its totient is φ = 378444528.

The previous prime is 400550119. The next prime is 400550201. The reversal of 400550153 is 351055004.

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

It is a cyclic number.

It is not a de Polignac number, because 400550153 - 2⁶ = 400550089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400556153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21173 + ... + 35346.

It is an arithmetic number, because the mean of its divisors is an integer number (52846200).

Almost surely, 2^400550153 is an apocalyptic number.

It is an amenable number.

400550153 is a deficient number, since it is larger than the sum of its proper divisors (22219447).

400550153 is a wasteful number, since it uses less digits than its factorization.

400550153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56911.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 400550153 is about 20013.7490990569. The cubic root of 400550153 is about 737.1439418099.

The spelling of 400550153 in words is "four hundred million, five hundred fifty thousand, one hundred fifty-three".