400042110 has 32 divisors (see below), whose sum is σ = 1033956000. Its totient is φ = 98471808.

The previous prime is 400042103. The next prime is 400042133. The reversal of 400042110 is 11240004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 512485 + ... + 513264.

It is an arithmetic number, because the mean of its divisors is an integer number (32311125).

Almost surely, 2^400042110 is an apocalyptic number.

400042110 is an abundant number, since it is smaller than the sum of its proper divisors (633913890).

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

400042110 is a wasteful number, since it uses less digits than its factorization.

400042110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025772.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 400042110 is about 20001.0527222944. The cubic root of 400042110 is about 736.8321545819.

Adding to 400042110 its reverse (11240004), we get a palindrome (411282114).

The spelling of 400042110 in words is "four hundred million, forty-two thousand, one hundred ten".