26399741516 has 24 divisors (see below), whose sum is σ = 47192979456. Its totient is φ = 12916157840.

The previous prime is 26399741483. The next prime is 26399741519. The reversal of 26399741516 is 61514799362.

It is a super-2 number, since 2×26399741516² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26399741519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1015715 + ... + 1041381.

It is an arithmetic number, because the mean of its divisors is an integer number (1966374144).

Almost surely, 2^26399741516 is an apocalyptic number.

It is an amenable number.

26399741516 is a deficient number, since it is larger than the sum of its proper divisors (20793237940).

26399741516 is a wasteful number, since it uses less digits than its factorization.

26399741516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31189 (or 31187 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 53.

The spelling of 26399741516 in words is "twenty-six billion, three hundred ninety-nine million, seven hundred forty-one thousand, five hundred sixteen".