42340440010 has 32 divisors (see below), whose sum is σ = 83241940032. Its totient is φ = 15377873280.

The previous prime is 42340440007. The next prime is 42340440011. The reversal of 42340440010 is 1004404324.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (42340440011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141747 + ... + 323686.

It is an arithmetic number, because the mean of its divisors is an integer number (2601310626).

Almost surely, 2^42340440010 is an apocalyptic number.

42340440010 is a deficient number, since it is larger than the sum of its proper divisors (40901500022).

42340440010 is a wasteful number, since it uses less digits than its factorization.

42340440010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466278.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 42340440010 its reverse (1004404324), we get a palindrome (43344844334).

The spelling of 42340440010 in words is "forty-two billion, three hundred forty million, four hundred forty thousand, ten".