26401401541 has 8 divisors (see below), whose sum is σ = 27117503000. Its totient is φ = 25685434368.

The previous prime is 26401401511. The next prime is 26401401571. The reversal of 26401401541 is 14510410462.

It is an interprime number because it is at equal distance from previous prime (26401401511) and next prime (26401401571).

It can be written as a sum of positive squares in 4 ways, for example, as 3349052641 + 23052348900 = 57871^2 + 151830^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 26401401541 - 2⁹ = 26401401029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26401401511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463285 + ... + 517141.

It is an arithmetic number, because the mean of its divisors is an integer number (3389687875).

Almost surely, 2^26401401541 is an apocalyptic number.

It is an amenable number.

26401401541 is a deficient number, since it is larger than the sum of its proper divisors (716101459).

26401401541 is a wasteful number, since it uses less digits than its factorization.

26401401541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67143.

The product of its (nonzero) digits is 3840, while the sum is 28.

The spelling of 26401401541 in words is "twenty-six billion, four hundred one million, four hundred one thousand, five hundred forty-one".