534000551440 has 160 divisors (see below), whose sum is σ = 1338232061952. Its totient is φ = 197588160000.

The previous prime is 534000551437. The next prime is 534000551501. The reversal of 534000551440 is 44155000435.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131817415 + ... + 131821465.

Almost surely, 2^534000551440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 534000551440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (669116030976).

534000551440 is an abundant number, since it is smaller than the sum of its proper divisors (804231510512).

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

534000551440 is a wasteful number, since it uses less digits than its factorization.

534000551440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6429 (or 6423 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 534000551440 its reverse (44155000435), we get a palindrome (578155551875).

The spelling of 534000551440 in words is "five hundred thirty-four billion, five hundred fifty-one thousand, four hundred forty".