26020177540 has 48 divisors (see below), whose sum is σ = 62497757952. Its totient is φ = 8914156416.

The previous prime is 26020177537. The next prime is 26020177559. The reversal of 26020177540 is 4577102062.

It is a junction number, because it is equal to n+sod(n) for n = 26020177496 and 26020177505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106009 + ... + 251551.

It is an arithmetic number, because the mean of its divisors is an integer number (1302036624).

Almost surely, 2^26020177540 is an apocalyptic number.

26020177540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26020177540 is an abundant number, since it is smaller than the sum of its proper divisors (36477580412).

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

26020177540 is a wasteful number, since it uses less digits than its factorization.

26020177540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146836 (or 146834 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The spelling of 26020177540 in words is "twenty-six billion, twenty million, one hundred seventy-seven thousand, five hundred forty".