42511330406 has 4 divisors (see below), whose sum is σ = 63766995612. Its totient is φ = 21255665202.

The previous prime is 42511330403. The next prime is 42511330427. The reversal of 42511330406 is 60403311524.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42511330403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10627832600 + ... + 10627832603.

It is an arithmetic number, because the mean of its divisors is an integer number (15941748903).

Almost surely, 2^42511330406 is an apocalyptic number.

42511330406 is a deficient number, since it is larger than the sum of its proper divisors (21255665206).

42511330406 is a wasteful number, since it uses less digits than its factorization.

42511330406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21255665205.

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 42511330406 in words is "forty-two billion, five hundred eleven million, three hundred thirty thousand, four hundred six".