42032050640 has 40 divisors (see below), whose sum is σ = 97753785768. Its totient is φ = 16807784960.

The previous prime is 42032050637. The next prime is 42032050661. The reversal of 42032050640 is 4605023024.

It can be written as a sum of positive squares in 4 ways, for example, as 9521075776 + 32510974864 = 97576^2 + 180308^2 .

It is a tau number, because it is divible by the number of its divisors (40).

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, 196070 + ... + 350010.

Almost surely, 2^42032050640 is an apocalyptic number.

42032050640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42032050640 is an abundant number, since it is smaller than the sum of its proper divisors (55721735128).

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

42032050640 is a wasteful number, since it uses less digits than its factorization.

42032050640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157367 (or 157361 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 42032050640 its reverse (4605023024), we get a palindrome (46637073664).

The spelling of 42032050640 in words is "forty-two billion, thirty-two million, fifty thousand, six hundred forty".