400480761 has 8 divisors (see below), whose sum is σ = 557190720. Its totient is φ = 255378992.

The previous prime is 400480753. The next prime is 400480793. The reversal of 400480761 is 167084004.

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

It is a cyclic number.

It is not a de Polignac number, because 400480761 - 2³ = 400480753 is a prime.

It is a super-2 number, since 2×400480761² = 320769679862278242, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (400480741) 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, 2901966 + ... + 2902103.

It is an arithmetic number, because the mean of its divisors is an integer number (69648840).

Almost surely, 2^400480761 is an apocalyptic number.

It is an amenable number.

400480761 is a deficient number, since it is larger than the sum of its proper divisors (156709959).

400480761 is a wasteful number, since it uses less digits than its factorization.

400480761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5804095.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 400480761 is about 20012.0154157446. The cubic root of 400480761 is about 737.1013713218.

The spelling of 400480761 in words is "four hundred million, four hundred eighty thousand, seven hundred sixty-one".