38050640 has 80 divisors (see below), whose sum is σ = 93089280. Its totient is φ = 14446080.

The previous prime is 38050637. The next prime is 38050651. The reversal of 38050640 is 4605083.

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, 166046 + ... + 166274.

It is an arithmetic number, because the mean of its divisors is an integer number (1163616).

Almost surely, 2^38050640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38050640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46544640).

38050640 is an abundant number, since it is smaller than the sum of its proper divisors (55038640).

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

38050640 is a wasteful number, since it uses less digits than its factorization.

38050640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 38050640 is about 6168.5200818349. The cubic root of 38050640 is about 336.3468168760.

The spelling of 38050640 in words is "thirty-eight million, fifty thousand, six hundred forty".