400478662 has 8 divisors (see below), whose sum is σ = 606911256. Its totient is φ = 198174912.

The previous prime is 400478629. The next prime is 400478699. The reversal of 400478662 is 266874004.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1031968 + ... + 1032355.

It is an arithmetic number, because the mean of its divisors is an integer number (75863907).

Almost surely, 2^400478662 is an apocalyptic number.

400478662 is a deficient number, since it is larger than the sum of its proper divisors (206432594).

400478662 is a wasteful number, since it uses less digits than its factorization.

400478662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064422.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 400478662 is about 20011.9629721824. The cubic root of 400478662 is about 737.1000835541.

The spelling of 400478662 in words is "four hundred million, four hundred seventy-eight thousand, six hundred sixty-two".