42420011432 has 16 divisors (see below), whose sum is σ = 79661228640. Its totient is φ = 21177017136.

The previous prime is 42420011423. The next prime is 42420011437. The reversal of 42420011432 is 23411002424.

It is a junction number, because it is equal to n+sod(n) for n = 42420011398 and 42420011407.

It is not an unprimeable number, because it can be changed into a prime (42420011437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4118108 + ... + 4128395.

It is an arithmetic number, because the mean of its divisors is an integer number (4978826790).

Almost surely, 2^42420011432 is an apocalyptic number.

It is an amenable number.

42420011432 is a deficient number, since it is larger than the sum of its proper divisors (37241217208).

42420011432 is a wasteful number, since it uses less digits than its factorization.

42420011432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8247152 (or 8247148 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 42420011432 its reverse (23411002424), we get a palindrome (65831013856).

The spelling of 42420011432 in words is "forty-two billion, four hundred twenty million, eleven thousand, four hundred thirty-two".