238129918802 has 16 divisors (see below), whose sum is σ = 357481265760. Its totient is φ = 118969538688.

The previous prime is 238129918801. The next prime is 238129918823. The reversal of 238129918802 is 208819921832.

It is a super-2 number, since 2×238129918802² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (238129918801) 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, 15755333 + ... + 15770439.

It is an arithmetic number, because the mean of its divisors is an integer number (22342579110).

Almost surely, 2^238129918802 is an apocalyptic number.

238129918802 is a deficient number, since it is larger than the sum of its proper divisors (119351346958).

238129918802 is a wasteful number, since it uses less digits than its factorization.

238129918802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20905.

The product of its (nonzero) digits is 995328, while the sum is 53.

The spelling of 238129918802 in words is "two hundred thirty-eight billion, one hundred twenty-nine million, nine hundred eighteen thousand, eight hundred two".