38453040 has 60 divisors (see below), whose sum is σ = 129140544. Its totient is φ = 10253952.

The previous prime is 38452991. The next prime is 38453047. The reversal of 38453040 is 4035483.

It is a happy number.

38453040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 38452995 and 38453013.

It is not an unprimeable number, because it can be changed into a prime (38453047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25984 + ... + 27423.

Almost surely, 2^38453040 is an apocalyptic number.

38453040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38453040 is an abundant number, since it is smaller than the sum of its proper divisors (90687504).

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

38453040 is a wasteful number, since it uses less digits than its factorization.

38453040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53426 (or 53417 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 38453040 is about 6201.0515237337. The cubic root of 38453040 is about 337.5283268405.

The spelling of 38453040 in words is "thirty-eight million, four hundred fifty-three thousand, forty".