1954088987928 has 384 divisors, whose sum is σ = 6212970086400. Its totient is φ = 501293802240.

The previous prime is 1954088987911. The next prime is 1954088987971. The reversal of 1954088987928 is 8297898804591.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 617014201 + ... + 617017367.

It is an arithmetic number, because the mean of its divisors is an integer number (16179609600).

Almost surely, 2^{1954088987928} 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 1954088987928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3106485043200).

1954088987928 is an abundant number, since it is smaller than the sum of its proper divisors (4258881098472).

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

1954088987928 is a wasteful number, since it uses less digits than its factorization.

1954088987928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3571 (or 3556 counting only the distinct ones).

The product of its (nonzero) digits is 836075520, while the sum is 78.

The spelling of 1954088987928 in words is "one trillion, nine hundred fifty-four billion, eighty-eight million, nine hundred eighty-seven thousand, nine hundred twenty-eight".