26072145720 has 96 divisors (see below), whose sum is σ = 85928001120. Its totient is φ = 6854641920.

The previous prime is 26072145709. The next prime is 26072145731. The reversal of 26072145720 is 2754127062.

It is a happy number.

26072145720 is a `hidden beast` number, since 2 + 6 + 0 + 72 + 14 + 572 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (26072145709) and next prime (26072145731).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 484459 + ... + 535578.

It is an arithmetic number, because the mean of its divisors is an integer number (895083345).

Almost surely, 2^26072145720 is an apocalyptic number.

26072145720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26072145720 is an abundant number, since it is smaller than the sum of its proper divisors (59855855400).

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

26072145720 is a wasteful number, since it uses less digits than its factorization.

26072145720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020125 (or 1020118 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The spelling of 26072145720 in words is "twenty-six billion, seventy-two million, one hundred forty-five thousand, seven hundred twenty".