401265646346 has 8 divisors (see below), whose sum is σ = 602281605024. Its totient is φ = 200505111340.

The previous prime is 401265646339. The next prime is 401265646361. The reversal of 401265646346 is 643646562104.

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

It is a super-2 number, since 2×401265646346² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401265646346.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63851990 + ... + 63858273.

It is an arithmetic number, because the mean of its divisors is an integer number (75285200628).

Almost surely, 2^401265646346 is an apocalyptic number.

401265646346 is a deficient number, since it is larger than the sum of its proper divisors (201015958678).

401265646346 is a wasteful number, since it uses less digits than its factorization.

401265646346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127711836.

The product of its (nonzero) digits is 2488320, while the sum is 47.

The spelling of 401265646346 in words is "four hundred one billion, two hundred sixty-five million, six hundred forty-six thousand, three hundred forty-six".