42000432023040 has 80 divisors (see below), whose sum is σ = 134270131148208. Its totient is φ = 11200115204096.

The previous prime is 42000432023023. The next prime is 42000432023111. The reversal of 42000432023040 is 4032023400024.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 42000432023040.

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, 2734395447 + ... + 2734410806.

Almost surely, 2^{42000432023040} is an apocalyptic number.

42000432023040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42000432023040 is an abundant number, since it is smaller than the sum of its proper divisors (92269699125168).

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

42000432023040 is an equidigital number, since it uses as much as digits as its factorization.

42000432023040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5468806279 (or 5468806263 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 42000432023040 its reverse (4032023400024), we get a palindrome (46032455423064).

The spelling of 42000432023040 in words is "forty-two trillion, four hundred thirty-two million, twenty-three thousand, forty".