26525414980090 has 128 divisors (see below), whose sum is σ = 53820422187840. Its totient is φ = 9348369408000.

The previous prime is 26525414980087. The next prime is 26525414980133. The reversal of 26525414980090 is 9008941452562.

It is a Cunningham number, because it is equal to 5150283²+1.

It can be written as a sum of positive squares in 32 ways, for example, as 3923881612641 + 22601533367449 = 1980879^2 + 4754107^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 52702830 + ... + 53203750.

Almost surely, 2^{26525414980090} is an apocalyptic number.

26525414980090 is an abundant number, since it is smaller than the sum of its proper divisors (27295007207750).

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

26525414980090 is a wasteful number, since it uses less digits than its factorization.

26525414980090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501188.

The product of its (nonzero) digits is 6220800, while the sum is 55.

The spelling of 26525414980090 in words is "twenty-six trillion, five hundred twenty-five billion, four hundred fourteen million, nine hundred eighty thousand, ninety".