25402540214 has 8 divisors (see below), whose sum is σ = 38118052128. Its totient is φ = 12696522840.

The previous prime is 25402540157. The next prime is 25402540223. The reversal of 25402540214 is 41204520452.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2366942 + ... + 2377649.

It is an arithmetic number, because the mean of its divisors is an integer number (4764756516).

Almost surely, 2^25402540214 is an apocalyptic number.

25402540214 is a deficient number, since it is larger than the sum of its proper divisors (12715511914).

25402540214 is a wasteful number, since it uses less digits than its factorization.

25402540214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4747270.

The product of its (nonzero) digits is 12800, while the sum is 29.

The spelling of 25402540214 in words is "twenty-five billion, four hundred two million, five hundred forty thousand, two hundred fourteen".