42038036 has 6 divisors (see below), whose sum is σ = 73566570. Its totient is φ = 21019016.

The previous prime is 42038021. The next prime is 42038041. The reversal of 42038036 is 63083024.

It can be written as a sum of positive squares in only one way, i.e., 22146436 + 19891600 = 4706^2 + 4460^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42037996 and 42038014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5254751 + ... + 5254758.

It is an arithmetic number, because the mean of its divisors is an integer number (12261095).

Almost surely, 2^42038036 is an apocalyptic number.

It is an amenable number.

42038036 is a deficient number, since it is larger than the sum of its proper divisors (31528534).

42038036 is a wasteful number, since it uses less digits than its factorization.

42038036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10509513 (or 10509511 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 42038036 is about 6483.6745754240. The cubic root of 42038036 is about 347.7075646931.

The spelling of 42038036 in words is "forty-two million, thirty-eight thousand, thirty-six".