4732378640 has 160 divisors (see below), whose sum is σ = 12684902400. Its totient is φ = 1623836160.

The previous prime is 4732378589. The next prime is 4732378649. The reversal of 4732378640 is 468732374.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 4732378591 and 4732378600.

It is not an unprimeable number, because it can be changed into a prime (4732378649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6403391 + ... + 6404129.

It is an arithmetic number, because the mean of its divisors is an integer number (79280640).

Almost surely, 2^4732378640 is an apocalyptic number.

4732378640 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 4732378640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6342451200).

4732378640 is an abundant number, since it is smaller than the sum of its proper divisors (7952523760).

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

4732378640 is a wasteful number, since it uses less digits than its factorization.

4732378640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165 (or 1159 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 44.

The square root of 4732378640 is about 68792.2861954740. The cubic root of 4732378640 is about 1678.9064406312.

The spelling of 4732378640 in words is "four billion, seven hundred thirty-two million, three hundred seventy-eight thousand, six hundred forty".