42400106 has 16 divisors (see below), whose sum is σ = 74058624. Its totient is φ = 17828304.

The previous prime is 42400087. The next prime is 42400121. The reversal of 42400106 is 60100424.

It is a super-2 number, since 2×42400106² = 3595537977622472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27830 + ... + 29313.

It is an arithmetic number, because the mean of its divisors is an integer number (4628664).

Almost surely, 2^42400106 is an apocalyptic number.

42400106 is a deficient number, since it is larger than the sum of its proper divisors (31658518).

42400106 is a wasteful number, since it uses less digits than its factorization.

42400106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57205.

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

The square root of 42400106 is about 6511.5363778451. The cubic root of 42400106 is about 348.7029708384.

It can be divided in two parts, 42400 and 106, that multiplied together give a square (4494400 = 2120²).

The spelling of 42400106 in words is "forty-two million, four hundred thousand, one hundred six".