264290439156 has 12 divisors (see below), whose sum is σ = 616677691392. Its totient is φ = 88096813048.

The previous prime is 264290439113. The next prime is 264290439167. The reversal of 264290439156 is 651934092462.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 264290439099 and 264290439108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11012101620 + ... + 11012101643.

It is an arithmetic number, because the mean of its divisors is an integer number (51389807616).

Almost surely, 2^264290439156 is an apocalyptic number.

It is an amenable number.

264290439156 is an abundant number, since it is smaller than the sum of its proper divisors (352387252236).

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

264290439156 is a wasteful number, since it uses less digits than its factorization.

264290439156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22024203270 (or 22024203268 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 51.

The spelling of 264290439156 in words is "two hundred sixty-four billion, two hundred ninety million, four hundred thirty-nine thousand, one hundred fifty-six".