400100630 has 8 divisors (see below), whose sum is σ = 720181152. Its totient is φ = 160040248.

The previous prime is 400100609. The next prime is 400100639. The reversal of 400100630 is 36001004.

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 (400100639) 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, 20005022 + ... + 20005041.

It is an arithmetic number, because the mean of its divisors is an integer number (90022644).

Almost surely, 2^400100630 is an apocalyptic number.

400100630 is a deficient number, since it is larger than the sum of its proper divisors (320080522).

400100630 is a wasteful number, since it uses less digits than its factorization.

400100630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40010070.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 400100630 is about 20002.5155917949. The cubic root of 400100630 is about 736.8680818957.

Adding to 400100630 its reverse (36001004), we get a palindrome (436101634).

The spelling of 400100630 in words is "four hundred million, one hundred thousand, six hundred thirty".