400677801 has 8 divisors (see below), whose sum is σ = 541555680. Its totient is φ = 263459232.

The previous prime is 400677799. The next prime is 400677839. The reversal of 400677801 is 108776004.

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

It is not a de Polignac number, because 400677801 - 2¹ = 400677799 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (400677881) 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, 914571 + ... + 915008.

It is an arithmetic number, because the mean of its divisors is an integer number (67694460).

Almost surely, 2^400677801 is an apocalyptic number.

It is an amenable number.

400677801 is a deficient number, since it is larger than the sum of its proper divisors (140877879).

400677801 is a wasteful number, since it uses less digits than its factorization.

400677801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1829655.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 400677801 is about 20016.9378527286. The cubic root of 400677801 is about 737.2222382525. Note that the first 4 decimals are identical.

The spelling of 400677801 in words is "four hundred million, six hundred seventy-seven thousand, eight hundred one".