4002361620 has 48 divisors (see below), whose sum is σ = 11322161088. Its totient is φ = 1056291840.

The previous prime is 4002361607. The next prime is 4002361631. The reversal of 4002361620 is 261632004.

4002361620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 338026 + ... + 349665.

It is an arithmetic number, because the mean of its divisors is an integer number (235878356).

Almost surely, 2^4002361620 is an apocalyptic number.

It is an amenable number.

4002361620 is an abundant number, since it is smaller than the sum of its proper divisors (7319799468).

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

4002361620 is a wasteful number, since it uses less digits than its factorization.

4002361620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687800 (or 687798 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 4002361620 is about 63264.2206938487. The cubic root of 4002361620 is about 1587.7133936796.

Adding to 4002361620 its reverse (261632004), we get a palindrome (4263993624).

It can be divided in two parts, 400236 and 1620, that added together give a triangular number (401856 = T₈₉₆).

The spelling of 4002361620 in words is "four billion, two million, three hundred sixty-one thousand, six hundred twenty".