38540755 has 16 divisors (see below), whose sum is σ = 52648704. Its totient is φ = 26810080.

The previous prime is 38540743. The next prime is 38540783. The reversal of 38540755 is 55704583.

It is not a de Polignac number, because 38540755 - 2¹³ = 38532563 is a prime.

It is a Duffinian 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, 13969 + ... + 16498.

It is an arithmetic number, because the mean of its divisors is an integer number (3290544).

Almost surely, 2^38540755 is an apocalyptic number.

38540755 is a deficient number, since it is larger than the sum of its proper divisors (14107949).

38540755 is a wasteful number, since it uses less digits than its factorization.

38540755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30506.

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 38540755 is about 6208.1200858231. The cubic root of 38540755 is about 337.7847765611.

The spelling of 38540755 in words is "thirty-eight million, five hundred forty thousand, seven hundred fifty-five".