8624400742 has 16 divisors (see below), whose sum is σ = 13025452032. Its totient is φ = 4282622280.

The previous prime is 8624400739. The next prime is 8624400767. The reversal of 8624400742 is 2470044268.

It is a super-2 number, since 2×8624400742² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475867 + ... + 493657.

It is an arithmetic number, because the mean of its divisors is an integer number (814090752).

Almost surely, 2^8624400742 is an apocalyptic number.

8624400742 is a deficient number, since it is larger than the sum of its proper divisors (4401051290).

8624400742 is a wasteful number, since it uses less digits than its factorization.

8624400742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19443.

The product of its (nonzero) digits is 86016, while the sum is 37.

The square root of 8624400742 is about 92867.6517523728. The cubic root of 8624400742 is about 2050.7354681725.

It can be divided in two parts, 862 and 4400742, that added together give a square (4401604 = 2098²).

The spelling of 8624400742 in words is "eight billion, six hundred twenty-four million, four hundred thousand, seven hundred forty-two".