4646043972 has 72 divisors (see below), whose sum is σ = 12266217600. Its totient is φ = 1481260608.

The previous prime is 4646043967. The next prime is 4646043979. The reversal of 4646043972 is 2793406464.

It is a happy number.

4646043972 is a `hidden beast` number, since 4 + 6 + 4 + 604 + 39 + 7 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (4646043979) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49029 + ... + 108147.

Almost surely, 2^4646043972 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4646043972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6133108800).

4646043972 is an abundant number, since it is smaller than the sum of its proper divisors (7620173628).

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

4646043972 is a wasteful number, since it uses less digits than its factorization.

4646043972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59225 (or 59220 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 45.

The square root of 4646043972 is about 68161.8953081559. The cubic root of 4646043972 is about 1668.6340644449.

The spelling of 4646043972 in words is "four billion, six hundred forty-six million, forty-three thousand, nine hundred seventy-two".