26180432772 has 48 divisors (see below), whose sum is σ = 65994382272. Its totient is φ = 8030090880.

The previous prime is 26180432717. The next prime is 26180432807. The reversal of 26180432772 is 27723408162.

It is a happy number.

It is a super-3 number, since 3×26180432772³ (a number of 32 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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, 215254 + ... + 314157.

It is an arithmetic number, because the mean of its divisors is an integer number (1374882964).

Almost surely, 2^26180432772 is an apocalyptic number.

It is an amenable number.

26180432772 is an abundant number, since it is smaller than the sum of its proper divisors (39813949500).

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

26180432772 is a wasteful number, since it uses less digits than its factorization.

26180432772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529748 (or 529746 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The spelling of 26180432772 in words is "twenty-six billion, one hundred eighty million, four hundred thirty-two thousand, seven hundred seventy-two".