26467643740 has 48 divisors (see below), whose sum is σ = 58910447232. Its totient is φ = 9954323456.

The previous prime is 26467643687. The next prime is 26467643747. The reversal of 26467643740 is 4734676462.

It is a super-2 number, since 2×26467643740² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26467643747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305997 + ... + 382843.

It is an arithmetic number, because the mean of its divisors is an integer number (1227300984).

Almost surely, 2^26467643740 is an apocalyptic number.

26467643740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26467643740 is an abundant number, since it is smaller than the sum of its proper divisors (32442803492).

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

26467643740 is a wasteful number, since it uses less digits than its factorization.

26467643740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77886 (or 77884 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 49.

The spelling of 26467643740 in words is "twenty-six billion, four hundred sixty-seven million, six hundred forty-three thousand, seven hundred forty".