401461766 has 16 divisors (see below), whose sum is σ = 654850656. Its totient is φ = 183816576.

The previous prime is 401461763. The next prime is 401461799. The reversal of 401461766 is 667164104.

401461766 = 464² + 465² + ... + 1092².

It is a super-2 number, since 2×401461766² = 322343099119677512, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401461763) 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, 158306 + ... + 160821.

It is an arithmetic number, because the mean of its divisors is an integer number (40928166).

Almost surely, 2^401461766 is an apocalyptic number.

401461766 is a deficient number, since it is larger than the sum of its proper divisors (253388890).

401461766 is a wasteful number, since it uses less digits than its factorization.

401461766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319183.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 401461766 is about 20036.5108239933. The cubic root of 401461766 is about 737.7027406222.

The spelling of 401461766 in words is "four hundred one million, four hundred sixty-one thousand, seven hundred sixty-six".