402236276841 has 45 divisors (see below), whose sum is σ = 699042379629. Its totient is φ = 229826469096.

The previous prime is 402236276833. The next prime is 402236276843. The reversal of 402236276841 is 148672632204.

It is a happy number.

The square root of 402236276841 is 634221.

It is a perfect power (a square), and thus also a powerful number.

402236276841 is a `hidden beast` number, since 402 + 236 + 2 + 7 + 6 + 8 + 4 + 1 = 666.

It is not a de Polignac number, because 402236276841 - 2³ = 402236276833 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (402236276843) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 39950890 + ... + 39960956.

Almost surely, 2^402236276841 is an apocalyptic number.

402236276841 is the 634221-st square number.

402236276841 is the 317111-st centered octagonal number.

It is an amenable number.

402236276841 is a deficient number, since it is larger than the sum of its proper divisors (296806102788).

402236276841 is an frugal number, since it uses more digits than its factorization.

402236276841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20160 (or 10077 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The spelling of 402236276841 in words is "four hundred two billion, two hundred thirty-six million, two hundred seventy-six thousand, eight hundred forty-one".