400471377 has 8 divisors (see below), whose sum is σ = 557177664. Its totient is φ = 255373008.

The previous prime is 400471373. The next prime is 400471403. The reversal of 400471377 is 773174004.

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

It is not a de Polignac number, because 400471377 - 2² = 400471373 is a prime.

It is a super-2 number, since 2×400471377² = 320754647592552258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (400471373) 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, 2901898 + ... + 2902035.

It is an arithmetic number, because the mean of its divisors is an integer number (69647208).

Almost surely, 2^400471377 is an apocalyptic number.

It is an amenable number.

400471377 is a deficient number, since it is larger than the sum of its proper divisors (156706287).

400471377 is a wasteful number, since it uses less digits than its factorization.

400471377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5803959.

The product of its (nonzero) digits is 16464, while the sum is 33.

The square root of 400471377 is about 20011.7809552273. The cubic root of 400471377 is about 737.0956140637.

The spelling of 400471377 in words is "four hundred million, four hundred seventy-one thousand, three hundred seventy-seven".