42030421440432 has 80 divisors (see below), whose sum is σ = 108887817623520. Its totient is φ = 13970259910656.

The previous prime is 42030421440431. The next prime is 42030421440509. The reversal of 42030421440432 is 23404412403024.

It is a junction number, because it is equal to n+sod(n) for n = 42030421440393 and 42030421440402.

It is not an unprimeable number, because it can be changed into a prime (42030421440431) 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, 67600608 + ... + 68219520.

It is an arithmetic number, because the mean of its divisors is an integer number (1361097720294).

Almost surely, 2^{42030421440432} is an apocalyptic number.

It is an amenable number.

42030421440432 is an abundant number, since it is smaller than the sum of its proper divisors (66857396183088).

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

42030421440432 is a wasteful number, since it uses less digits than its factorization.

42030421440432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622950 (or 622944 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 42030421440432 its reverse (23404412403024), we get a palindrome (65434833843456).

The spelling of 42030421440432 in words is "forty-two trillion, thirty billion, four hundred twenty-one million, four hundred forty thousand, four hundred thirty-two".