39603602742 has 24 divisors (see below), whose sum is σ = 87062467128. Its totient is φ = 12001091520.

The previous prime is 39603602723. The next prime is 39603602743. The reversal of 39603602742 is 24720630693.

It is a super-2 number, since 2×39603602742² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 39603602694 and 39603602703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39603602743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27274483 + ... + 27275934.

It is an arithmetic number, because the mean of its divisors is an integer number (3627602797).

Almost surely, 2^39603602742 is an apocalyptic number.

39603602742 is an abundant number, since it is smaller than the sum of its proper divisors (47458864386).

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

39603602742 is a wasteful number, since it uses less digits than its factorization.

39603602742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54550444 (or 54550433 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 42.

The spelling of 39603602742 in words is "thirty-nine billion, six hundred three million, six hundred two thousand, seven hundred forty-two".