38825040 has 40 divisors (see below), whose sum is σ = 120358368. Its totient is φ = 10353280.

The previous prime is 38825021. The next prime is 38825069. The reversal of 38825040 is 4052883.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 38824989 and 38825007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80646 + ... + 81125.

Almost surely, 2^38825040 is an apocalyptic number.

38825040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38825040 is an abundant number, since it is smaller than the sum of its proper divisors (81533328).

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

38825040 is a wasteful number, since it uses less digits than its factorization.

38825040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161787 (or 161781 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 38825040 is about 6230.9742416415. The cubic root of 38825040 is about 338.6132675295.

The spelling of 38825040 in words is "thirty-eight million, eight hundred twenty-five thousand, forty".