10042320040 has 32 divisors (see below), whose sum is σ = 23784444000. Its totient is φ = 3805510464.

The previous prime is 10042320037. The next prime is 10042320047. The reversal of 10042320040 is 4002324001.

It is a junction number, because it is equal to n+sod(n) for n = 10042319996 and 10042320023.

It is not an unprimeable number, because it can be changed into a prime (10042320047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6606030 + ... + 6607549.

It is an arithmetic number, because the mean of its divisors is an integer number (743263875).

Almost surely, 2^10042320040 is an apocalyptic number.

10042320040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10042320040 is an abundant number, since it is smaller than the sum of its proper divisors (13742123960).

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

10042320040 is a wasteful number, since it uses less digits than its factorization.

10042320040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13213609 (or 13213605 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 10042320040 its reverse (4002324001), we get a palindrome (14044644041).

The spelling of 10042320040 in words is "ten billion, forty-two million, three hundred twenty thousand, forty".