42321440402 has 16 divisors (see below), whose sum is σ = 63891072000. Its totient is φ = 21024682560.

The previous prime is 42321440401. The next prime is 42321440411. The reversal of 42321440402 is 20404412324.

It is a happy number.

It is a super-2 number, since 2×42321440402² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42321440401) 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, 254474 + ... + 386522.

It is an arithmetic number, because the mean of its divisors is an integer number (3993192000).

Almost surely, 2^42321440402 is an apocalyptic number.

42321440402 is a deficient number, since it is larger than the sum of its proper divisors (21569631598).

42321440402 is a wasteful number, since it uses less digits than its factorization.

42321440402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133081.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 42321440402 its reverse (20404412324), we get a palindrome (62725852726).

The spelling of 42321440402 in words is "forty-two billion, three hundred twenty-one million, four hundred forty thousand, four hundred two".