38460040 has 32 divisors (see below), whose sum is σ = 86751000. Its totient is φ = 15345664.

The previous prime is 38460031. The next prime is 38460067. The reversal of 38460040 is 4006483.

It can be written as a sum of positive squares in 4 ways, for example, as 35022724 + 3437316 = 5918^2 + 1854^2 .

It is a junction number, because it is equal to n+sod(n) for n = 38459987 and 38460014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19416 + ... + 21304.

Almost surely, 2^38460040 is an apocalyptic number.

It is an amenable number.

38460040 is an abundant number, since it is smaller than the sum of its proper divisors (48290960).

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

38460040 is a wasteful number, since it uses less digits than its factorization.

38460040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2409 (or 2405 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 38460040 is about 6201.6159184522. The cubic root of 38460040 is about 337.5488068419.

The spelling of 38460040 in words is "thirty-eight million, four hundred sixty thousand, forty".