401962766 has 12 divisors (see below), whose sum is σ = 630300552. Its totient is φ = 192242556.

The previous prime is 401962763. The next prime is 401962793. The reversal of 401962766 is 667269104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401962763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 188906 + ... + 191021.

It is an arithmetic number, because the mean of its divisors is an integer number (52525046).

Almost surely, 2^401962766 is an apocalyptic number.

401962766 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

401962766 is a deficient number, since it is larger than the sum of its proper divisors (228337786).

401962766 is a wasteful number, since it uses less digits than its factorization.

401962766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379975 (or 379952 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 401962766 is about 20049.0091026963. The cubic root of 401962766 is about 738.0094825249.

The spelling of 401962766 in words is "four hundred one million, nine hundred sixty-two thousand, seven hundred sixty-six".