4081894554 has 16 divisors (see below), whose sum is σ = 8228072448. Its totient is φ = 1349917632.

The previous prime is 4081894547. The next prime is 4081894573. The reversal of 4081894554 is 4554981804.

4081894554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2677647 + ... + 2679170.

It is an arithmetic number, because the mean of its divisors is an integer number (514254528).

Almost surely, 2^4081894554 is an apocalyptic number.

4081894554 is an abundant number, since it is smaller than the sum of its proper divisors (4146177894).

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

4081894554 is a wasteful number, since it uses less digits than its factorization.

4081894554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5356949.

The product of its (nonzero) digits is 921600, while the sum is 48.

The square root of 4081894554 is about 63889.7061661736. The cubic root of 4081894554 is about 1598.1612410484.

The spelling of 4081894554 in words is "four billion, eighty-one million, eight hundred ninety-four thousand, five hundred fifty-four".