42733212638 has 8 divisors (see below), whose sum is σ = 64421929200. Its totient is φ = 21259236240.

The previous prime is 42733212631. The next prime is 42733212659. The reversal of 42733212638 is 83621233724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×42733212638² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42733212595 and 42733212604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42733212631) 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, 53684543 + ... + 53685338.

It is an arithmetic number, because the mean of its divisors is an integer number (8052741150).

Almost surely, 2^42733212638 is an apocalyptic number.

42733212638 is a deficient number, since it is larger than the sum of its proper divisors (21688716562).

42733212638 is a wasteful number, since it uses less digits than its factorization.

42733212638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107370082.

The product of its digits is 290304, while the sum is 41.

The spelling of 42733212638 in words is "forty-two billion, seven hundred thirty-three million, two hundred twelve thousand, six hundred thirty-eight".