481021801761534 has 128 divisors (see below), whose sum is σ = 1089510919630848. Its totient is φ = 140309091336960.

The previous prime is 481021801761467. The next prime is 481021801761547. The reversal of 481021801761534 is 435167108120184.

It is a super-3 number, since 3×481021801761534³ (a number of 45 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 252424569 + ... + 254323035.

It is an arithmetic number, because the mean of its divisors is an integer number (8511804059616).

Almost surely, 2^{481021801761534} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 481021801761534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (544755459815424).

481021801761534 is an abundant number, since it is smaller than the sum of its proper divisors (608489117869314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

481021801761534 is a wasteful number, since it uses less digits than its factorization.

481021801761534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1899822.

The product of its (nonzero) digits is 1290240, while the sum is 51.

The spelling of 481021801761534 in words is "four hundred eighty-one trillion, twenty-one billion, eight hundred one million, seven hundred sixty-one thousand, five hundred thirty-four".