26577157340 has 24 divisors (see below), whose sum is σ = 58238641440. Its totient is φ = 10168651328.

The previous prime is 26577157337. The next prime is 26577157423. The reversal of 26577157340 is 4375177562.

It is a happy number.

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, 28887755 + ... + 28888674.

It is an arithmetic number, because the mean of its divisors is an integer number (2426610060).

Almost surely, 2^26577157340 is an apocalyptic number.

26577157340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26577157340 is an abundant number, since it is smaller than the sum of its proper divisors (31661484100).

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

26577157340 is a wasteful number, since it uses less digits than its factorization.

26577157340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57776461 (or 57776459 counting only the distinct ones).

The product of its (nonzero) digits is 1234800, while the sum is 47.

The spelling of 26577157340 in words is "twenty-six billion, five hundred seventy-seven million, one hundred fifty-seven thousand, three hundred forty".