26478428141390 has 8 divisors (see below), whose sum is σ = 47661170654520. Its totient is φ = 10591371256552.

The previous prime is 26478428141383. The next prime is 26478428141411. The reversal of 26478428141390 is 9314182487462.

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

It is a super-2 number, since 2×26478428141390² (a number of 28 digits) contains 22 as substring.

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, 1323921407060 + ... + 1323921407079.

It is an arithmetic number, because the mean of its divisors is an integer number (5957646331815).

Almost surely, 2^{26478428141390} is an apocalyptic number.

26478428141390 is a deficient number, since it is larger than the sum of its proper divisors (21182742513130).

26478428141390 is a wasteful number, since it uses less digits than its factorization.

26478428141390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2647842814146.

The product of its (nonzero) digits is 18579456, while the sum is 59.

The spelling of 26478428141390 in words is "twenty-six trillion, four hundred seventy-eight billion, four hundred twenty-eight million, one hundred forty-one thousand, three hundred ninety".