38540450 has 36 divisors (see below), whose sum is σ = 77640678. Its totient is φ = 14227200.

The previous prime is 38540443. The next prime is 38540459. The reversal of 38540450 is 5404583.

It can be written as a sum of positive squares in 9 ways, for example, as 1901641 + 36638809 = 1379^2 + 6053^2 .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38540459) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6170 + ... + 10730.

Almost surely, 2^38540450 is an apocalyptic number.

38540450 is an abundant number, since it is smaller than the sum of its proper divisors (39100228).

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

38540450 is a wasteful number, since it uses less digits than its factorization.

38540450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4599 (or 4581 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 38540450 is about 6208.0955211723. The cubic root of 38540450 is about 337.7838855162.

The spelling of 38540450 in words is "thirty-eight million, five hundred forty thousand, four hundred fifty".