26145701540 has 24 divisors (see below), whose sum is σ = 62749684032. Its totient is φ = 8964240480.

The previous prime is 26145701473. The next prime is 26145701573. The reversal of 26145701540 is 4510754162.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 26145701540.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93377366 + ... + 93377645.

It is an arithmetic number, because the mean of its divisors is an integer number (2614570168).

Almost surely, 2^26145701540 is an apocalyptic number.

26145701540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26145701540 is an abundant number, since it is smaller than the sum of its proper divisors (36603982492).

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

26145701540 is a wasteful number, since it uses less digits than its factorization.

26145701540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186755027 (or 186755025 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The spelling of 26145701540 in words is "twenty-six billion, one hundred forty-five million, seven hundred one thousand, five hundred forty".