400045106 has 16 divisors (see below), whose sum is σ = 616761216. Its totient is φ = 194512656.

The previous prime is 400045103. The next prime is 400045109. The reversal of 400045106 is 601540004.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (400045103) and next prime (400045109).

It is not an unprimeable number, because it can be changed into a prime (400045103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1205 + ... + 28311.

It is an arithmetic number, because the mean of its divisors is an integer number (38547576).

Almost surely, 2^400045106 is an apocalyptic number.

400045106 is a deficient number, since it is larger than the sum of its proper divisors (216716110).

400045106 is a wasteful number, since it uses less digits than its factorization.

400045106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27313.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 400045106 is about 20001.1276182119. The cubic root of 400045106 is about 736.8339940079.

The spelling of 400045106 in words is "four hundred million, forty-five thousand, one hundred six".