4055990400 has 1152 divisors, whose sum is σ = 18941644800. Its totient is φ = 801792000.

The previous prime is 4055990381. The next prime is 4055990461. The reversal of 4055990400 is 40995504.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 68745571 + ... + 68745629.

It is an arithmetic number, because the mean of its divisors is an integer number (16442400).

Almost surely, 2^4055990400 is an apocalyptic number.

4055990400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4055990400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9470822400).

4055990400 is an abundant number, since it is smaller than the sum of its proper divisors (14885654400).

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

4055990400 is a wasteful number, since it uses less digits than its factorization.

4055990400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 4055990400 is about 63686.6579434029. The cubic root of 4055990400 is about 1594.7733616651.

The spelling of 4055990400 in words is "four billion, fifty-five million, nine hundred ninety thousand, four hundred".