257247290210 has 16 divisors (see below), whose sum is σ = 463079140992. Its totient is φ = 102891356400.

The previous prime is 257247290171. The next prime is 257247290213. The reversal of 257247290210 is 12092742752.

It is not an unprimeable number, because it can be changed into a prime (257247290213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 800996 + ... + 1075215.

It is an arithmetic number, because the mean of its divisors is an integer number (28942446312).

Almost surely, 2^257247290210 is an apocalyptic number.

257247290210 is a deficient number, since it is larger than the sum of its proper divisors (205831850782).

257247290210 is a wasteful number, since it uses less digits than its factorization.

257247290210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889929.

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 257247290210 in words is "two hundred fifty-seven billion, two hundred forty-seven million, two hundred ninety thousand, two hundred ten".