25890965270 has 8 divisors (see below), whose sum is σ = 46603737504. Its totient is φ = 10356386104.

The previous prime is 25890965263. The next prime is 25890965273. The reversal of 25890965270 is 7256909852.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×25890965270² (a number of 22 digits) contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25890965273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1294548254 + ... + 1294548273.

It is an arithmetic number, because the mean of its divisors is an integer number (5825467188).

Almost surely, 2^25890965270 is an apocalyptic number.

25890965270 is a deficient number, since it is larger than the sum of its proper divisors (20712772234).

25890965270 is a wasteful number, since it uses less digits than its factorization.

25890965270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2589096534.

The product of its (nonzero) digits is 2721600, while the sum is 53.

The spelling of 25890965270 in words is "twenty-five billion, eight hundred ninety million, nine hundred sixty-five thousand, two hundred seventy".