38265840 has 60 divisors (see below), whose sum is σ = 128511864. Its totient is φ = 10204032.

The previous prime is 38265803. The next prime is 38265853. The reversal of 38265840 is 4856283.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 38265795 and 38265804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25854 + ... + 27293.

Almost surely, 2^38265840 is an apocalyptic number.

38265840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38265840 is an abundant number, since it is smaller than the sum of its proper divisors (90246024).

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

38265840 is a wasteful number, since it uses less digits than its factorization.

38265840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53166 (or 53157 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 38265840 is about 6185.9388939756. The cubic root of 38265840 is about 336.9797086169.

The spelling of 38265840 in words is "thirty-eight million, two hundred sixty-five thousand, eight hundred forty".