26477250878220 has 96 divisors (see below), whose sum is σ = 74902896282816. Its totient is φ = 6987595776000.

The previous prime is 26477250878213. The next prime is 26477250878257. The reversal of 26477250878220 is 2287805277462.

It is a happy number.

It is a super-2 number, since 2×26477250878220² (a number of 28 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 299808070 + ... + 299896370.

It is an arithmetic number, because the mean of its divisors is an integer number (780238502946).

Almost surely, 2^{26477250878220} is an apocalyptic number.

26477250878220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26477250878220 is an abundant number, since it is smaller than the sum of its proper divisors (48425645404596).

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

26477250878220 is a wasteful number, since it uses less digits than its factorization.

26477250878220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139931 (or 139929 counting only the distinct ones).

The product of its (nonzero) digits is 42147840, while the sum is 60.

The spelling of 26477250878220 in words is "twenty-six trillion, four hundred seventy-seven billion, two hundred fifty million, eight hundred seventy-eight thousand, two hundred twenty".