400108412 has 12 divisors (see below), whose sum is σ = 763843416. Its totient is φ = 181867440.

The previous prime is 400108409. The next prime is 400108477. The reversal of 400108412 is 214801004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4546643 + ... + 4546730.

It is an arithmetic number, because the mean of its divisors is an integer number (63653618).

Almost surely, 2^400108412 is an apocalyptic number.

It is an amenable number.

400108412 is a deficient number, since it is larger than the sum of its proper divisors (363735004).

400108412 is a wasteful number, since it uses less digits than its factorization.

400108412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9093388 (or 9093386 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 400108412 is about 20002.7101163817. The cubic root of 400108412 is about 736.8728592524.

Adding to 400108412 its reverse (214801004), we get a palindrome (614909416).

The spelling of 400108412 in words is "four hundred million, one hundred eight thousand, four hundred twelve".