981554467000 has 32 divisors (see below), whose sum is σ = 2296837455120. Its totient is φ = 392621786400.

The previous prime is 981554466983. The next prime is 981554467001. The reversal of 981554467000 is 764455189.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981554467001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 490776234 + ... + 490778233.

Almost surely, 2^981554467000 is an apocalyptic number.

It is an amenable number.

981554467000 is an abundant number, since it is smaller than the sum of its proper divisors (1315282988120).

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

981554467000 is a wasteful number, since it uses less digits than its factorization.

981554467000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981554488 (or 981554474 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 49.

The spelling of 981554467000 in words is "nine hundred eighty-one billion, five hundred fifty-four million, four hundred sixty-seven thousand".