400110542 has 12 divisors (see below), whose sum is σ = 649884240. Its totient is φ = 184666248.

The previous prime is 400110541. The next prime is 400110559. The reversal of 400110542 is 245011004.

It is a self number, because there is not a number n which added to its sum of digits gives 400110542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400110541) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 591542 + ... + 592217.

It is an arithmetic number, because the mean of its divisors is an integer number (54157020).

Almost surely, 2^400110542 is an apocalyptic number.

400110542 is a deficient number, since it is larger than the sum of its proper divisors (249773698).

400110542 is a wasteful number, since it uses less digits than its factorization.

400110542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183787 (or 1183774 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 400110542 is about 20002.7633590962. The cubic root of 400110542 is about 736.8741668450.

Adding to 400110542 its reverse (245011004), we get a palindrome (645121546).

The spelling of 400110542 in words is "four hundred million, one hundred ten thousand, five hundred forty-two".