401767968 has 48 divisors (see below), whose sum is σ = 1205305920. Its totient is φ = 114790656.

The previous prime is 401767957. The next prime is 401767969. The reversal of 401767968 is 869767104.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×401767968² = 322835000221698048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (401767969) 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, 298263 + ... + 299606.

It is an arithmetic number, because the mean of its divisors is an integer number (25110540).

Almost surely, 2^401767968 is an apocalyptic number.

401767968 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

401767968 is an abundant number, since it is smaller than the sum of its proper divisors (803537952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401767968 is a wasteful number, since it uses less digits than its factorization.

401767968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597889 (or 597881 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 401767968 is about 20044.1504684035. The cubic root of 401767968 is about 737.8902459414.

The spelling of 401767968 in words is "four hundred one million, seven hundred sixty-seven thousand, nine hundred sixty-eight".