400260146 has 32 divisors (see below), whose sum is σ = 729691200. Its totient is φ = 162146880.

The previous prime is 400260103. The next prime is 400260181. The reversal of 400260146 is 641062004.

It is a happy 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, 15836 + ... + 32423.

It is an arithmetic number, because the mean of its divisors is an integer number (22802850).

Almost surely, 2^400260146 is an apocalyptic number.

400260146 is a deficient number, since it is larger than the sum of its proper divisors (329431054).

400260146 is a wasteful number, since it uses less digits than its factorization.

400260146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48314.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 400260146 is about 20006.5025929071. The cubic root of 400260146 is about 736.9659961225.

The spelling of 400260146 in words is "four hundred million, two hundred sixty thousand, one hundred forty-six".