8212486401 has 40 divisors (see below), whose sum is σ = 14094203904. Its totient is φ = 4668217920.

The previous prime is 8212486397. The next prime is 8212486409. The reversal of 8212486401 is 1046842128.

8212486401 is a `hidden beast` number, since 8 + 2 + 1 + 2 + 4 + 8 + 640 + 1 = 666.

It is not a de Polignac number, because 8212486401 - 2² = 8212486397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8212486409) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 70381 + ... + 146213.

Almost surely, 2^8212486401 is an apocalyptic number.

8212486401 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

8212486401 is a deficient number, since it is larger than the sum of its proper divisors (5881717503).

8212486401 is a wasteful number, since it uses less digits than its factorization.

8212486401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76043 (or 76034 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 8212486401 is about 90622.7697711784. The cubic root of 8212486401 is about 2017.5527007695.

The spelling of 8212486401 in words is "eight billion, two hundred twelve million, four hundred eighty-six thousand, four hundred one".