38465520 has 80 divisors (see below), whose sum is σ = 120742272. Its totient is φ = 10128640.

The previous prime is 38465501. The next prime is 38465551. The reversal of 38465520 is 2556483.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18955 + ... + 20885.

Almost surely, 2^38465520 is an apocalyptic number.

38465520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38465520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60371136).

38465520 is an abundant number, since it is smaller than the sum of its proper divisors (82276752).

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

38465520 is a wasteful number, since it uses less digits than its factorization.

38465520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2030 (or 2024 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 38465520 is about 6202.0577230464. The cubic root of 38465520 is about 337.5648380231.

The spelling of 38465520 in words is "thirty-eight million, four hundred sixty-five thousand, five hundred twenty".