10042420340 has 24 divisors (see below), whose sum is σ = 21386115072. Its totient is φ = 3960390560.

The previous prime is 10042420331. The next prime is 10042420361. The reversal of 10042420340 is 4302424001.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 3534644 + ... + 3537483.

It is an arithmetic number, because the mean of its divisors is an integer number (891088128).

Almost surely, 2^10042420340 is an apocalyptic number.

10042420340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10042420340 is an abundant number, since it is smaller than the sum of its proper divisors (11343694732).

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

10042420340 is a wasteful number, since it uses less digits than its factorization.

10042420340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7072207 (or 7072205 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 10042420340 its reverse (4302424001), we get a palindrome (14344844341).

The spelling of 10042420340 in words is "ten billion, forty-two million, four hundred twenty thousand, three hundred forty".