401301612 has 18 divisors (see below), whose sum is σ = 1014401388. Its totient is φ = 133767192.

The previous prime is 401301611. The next prime is 401301613. The reversal of 401301612 is 216103104.

It is a happy number.

401301612 is a `hidden beast` number, since 40 + 13 + 0 + 1 + 612 = 666.

It is an interprime number because it is at equal distance from previous prime (401301611) and next prime (401301613).

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×401301612² = 322085967587597088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (401301611) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5573598 + ... + 5573669.

Almost surely, 2^401301612 is an apocalyptic number.

It is an amenable number.

401301612 is an abundant number, since it is smaller than the sum of its proper divisors (613099776).

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

401301612 is a wasteful number, since it uses less digits than its factorization.

401301612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11147277 (or 11147272 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 401301612 is about 20032.5138712045. The cubic root of 401301612 is about 737.6046310231.

Adding to 401301612 its reverse (216103104), we get a palindrome (617404716).

The spelling of 401301612 in words is "four hundred one million, three hundred one thousand, six hundred twelve".