400426100 has 36 divisors (see below), whose sum is σ = 877068864. Its totient is φ = 158669280.

The previous prime is 400426093. The next prime is 400426123. The reversal of 400426100 is 1624004.

It is a super-2 number, since 2×400426100² = 320682123122420000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8012 + ... + 29411.

It is an arithmetic number, because the mean of its divisors is an integer number (24363024).

Almost surely, 2^400426100 is an apocalyptic number.

It is an amenable number.

400426100 is an abundant number, since it is smaller than the sum of its proper divisors (476642764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400426100 is a wasteful number, since it uses less digits than its factorization.

400426100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37544 (or 37537 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 400426100 is about 20010.6496646161. The cubic root of 400426100 is about 737.0678345203.

The spelling of 400426100 in words is "four hundred million, four hundred twenty-six thousand, one hundred".