239266138040 has 32 divisors (see below), whose sum is σ = 538469300880. Its totient is φ = 95685034752.

The previous prime is 239266138031. The next prime is 239266138051. The reversal of 239266138040 is 40831662932.

It is a junction number, because it is equal to n+sod(n) for n = 239266137982 and 239266138000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487829 + ... + 846468.

Almost surely, 2^239266138040 is an apocalyptic number.

239266138040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

239266138040 is an abundant number, since it is smaller than the sum of its proper divisors (299203162840).

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

239266138040 is a wasteful number, since it uses less digits than its factorization.

239266138040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338791 (or 1338787 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 44.

The spelling of 239266138040 in words is "two hundred thirty-nine billion, two hundred sixty-six million, one hundred thirty-eight thousand, forty".