27025643740 has 48 divisors (see below), whose sum is σ = 57712181184. Its totient is φ = 10627891200.

The previous prime is 27025643737. The next prime is 27025643783. The reversal of 27025643740 is 4734652072.

It is a happy number.

It is a super-4 number, since 4×27025643740⁴ (a number of 43 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 27025643693 and 27025643702.

It is a congruent number.

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, 3401052 + ... + 3408988.

It is an arithmetic number, because the mean of its divisors is an integer number (1202337108).

Almost surely, 2^27025643740 is an apocalyptic number.

27025643740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27025643740 is an abundant number, since it is smaller than the sum of its proper divisors (30686537444).

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

27025643740 is a wasteful number, since it uses less digits than its factorization.

27025643740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10798 (or 10796 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 40.

The spelling of 27025643740 in words is "twenty-seven billion, twenty-five million, six hundred forty-three thousand, seven hundred forty".