8624651406 has 24 divisors (see below), whose sum is σ = 20065516200. Its totient is φ = 2464186032.

The previous prime is 8624651401. The next prime is 8624651423. The reversal of 8624651406 is 6041564268.

It is a super-2 number, since 2×8624651406² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8624651401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14667481 + ... + 14668068.

It is an arithmetic number, because the mean of its divisors is an integer number (836063175).

Almost surely, 2^8624651406 is an apocalyptic number.

8624651406 is an abundant number, since it is smaller than the sum of its proper divisors (11440864794).

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

8624651406 is a wasteful number, since it uses less digits than its factorization.

8624651406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29335568 (or 29335561 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 8624651406 is about 92869.0013190623. The cubic root of 8624651406 is about 2050.7553358553.

The spelling of 8624651406 in words is "eight billion, six hundred twenty-four million, six hundred fifty-one thousand, four hundred six".