10042021040 has 40 divisors (see below), whose sum is σ = 24721096320. Its totient is φ = 3780525056.

The previous prime is 10042021013. The next prime is 10042021043. The reversal of 10042021040 is 4012024001.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (10042021043) 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, 3690560 + ... + 3693279.

It is an arithmetic number, because the mean of its divisors is an integer number (618027408).

Almost surely, 2^10042021040 is an apocalyptic number.

10042021040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10042021040 is an abundant number, since it is smaller than the sum of its proper divisors (14679075280).

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

10042021040 is a wasteful number, since it uses less digits than its factorization.

10042021040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7383869 (or 7383863 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 10042021040 its reverse (4012024001), we get a palindrome (14054045041).

The spelling of 10042021040 in words is "ten billion, forty-two million, twenty-one thousand, forty".