255037890 has 32 divisors (see below), whose sum is σ = 633199680. Its totient is φ = 65664704.

The previous prime is 255037879. The next prime is 255037897. The reversal of 255037890 is 98730552.

255037890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (255037897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145704 + ... + 147443.

It is an arithmetic number, because the mean of its divisors is an integer number (19787490).

Almost surely, 2^255037890 is an apocalyptic number.

255037890 is an abundant number, since it is smaller than the sum of its proper divisors (378161790).

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

255037890 is a wasteful number, since it uses less digits than its factorization.

255037890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293186.

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 255037890 is about 15969.9057605234. The cubic root of 255037890 is about 634.1639771962.

The spelling of 255037890 in words is "two hundred fifty-five million, thirty-seven thousand, eight hundred ninety".