4055233440 has 48 divisors (see below), whose sum is σ = 12773986848. Its totient is φ = 1081395456.

The previous prime is 4055233433. The next prime is 4055233459. The reversal of 4055233440 is 443325504.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 4055233398 and 4055233407.

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, 4223722 + ... + 4224681.

It is an arithmetic number, because the mean of its divisors is an integer number (266124726).

Almost surely, 2^4055233440 is an apocalyptic number.

4055233440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4055233440 is an abundant number, since it is smaller than the sum of its proper divisors (8718753408).

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

4055233440 is a wasteful number, since it uses less digits than its factorization.

4055233440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8448421 (or 8448413 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

The square root of 4055233440 is about 63680.7148201086. The cubic root of 4055233440 is about 1594.6741458855.

Adding to 4055233440 its reverse (443325504), we get a palindrome (4498558944).

The spelling of 4055233440 in words is "four billion, fifty-five million, two hundred thirty-three thousand, four hundred forty".