4006618452 has 48 divisors (see below), whose sum is σ = 10393346880. Its totient is φ = 1334791584.

The previous prime is 4006618417. The next prime is 4006618487. The reversal of 4006618452 is 2548166004.

It is an interprime number because it is at equal distance from previous prime (4006618417) and next prime (4006618487).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203683 + ... + 222485.

It is an arithmetic number, because the mean of its divisors is an integer number (216528060).

Almost surely, 2^4006618452 is an apocalyptic number.

It is an amenable number.

4006618452 is an abundant number, since it is smaller than the sum of its proper divisors (6386728428).

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

4006618452 is a wasteful number, since it uses less digits than its factorization.

4006618452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20789 (or 20781 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 4006618452 is about 63297.8550347482. The cubic root of 4006618452 is about 1588.2760810063.

The spelling of 4006618452 in words is "four billion, six million, six hundred eighteen thousand, four hundred fifty-two".