526400553455 has 64 divisors (see below), whose sum is σ = 770260008960. Its totient is φ = 337582118016.

The previous prime is 526400553451. The next prime is 526400553473. The reversal of 526400553455 is 554355004625.

It is not a de Polignac number, because 526400553455 - 2² = 526400553451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (526400553451) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6510104 + ... + 6590466.

It is an arithmetic number, because the mean of its divisors is an integer number (12035312640).

Almost surely, 2^526400553455 is an apocalyptic number.

526400553455 is a deficient number, since it is larger than the sum of its proper divisors (243859455505).

526400553455 is a wasteful number, since it uses less digits than its factorization.

526400553455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80580.

The product of its (nonzero) digits is 1800000, while the sum is 44.

The spelling of 526400553455 in words is "five hundred twenty-six billion, four hundred million, five hundred fifty-three thousand, four hundred fifty-five".