230239257490 has 32 divisors (see below), whose sum is σ = 452213202240. Its totient is φ = 83703547200.

The previous prime is 230239257487. The next prime is 230239257517. The reversal of 230239257490 is 94752932032.

It is a super-2 number, since 2×230239257490² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 230239257490.

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, 223101 + ... + 714319.

It is an arithmetic number, because the mean of its divisors is an integer number (14131662570).

Almost surely, 2^230239257490 is an apocalyptic number.

230239257490 is a deficient number, since it is larger than the sum of its proper divisors (221973944750).

230239257490 is a wasteful number, since it uses less digits than its factorization.

230239257490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495498.

The product of its (nonzero) digits is 816480, while the sum is 46.

The spelling of 230239257490 in words is "two hundred thirty billion, two hundred thirty-nine million, two hundred fifty-seven thousand, four hundred ninety".