4726880640 has 192 divisors, whose sum is σ = 16429617360. Its totient is φ = 1252233216.

The previous prime is 4726880567. The next prime is 4726880657. The reversal of 4726880640 is 460886274.

4726880640 is a `hidden beast` number, since 472 + 68 + 80 + 6 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 901707 + ... + 906933.

Almost surely, 2^4726880640 is an apocalyptic number.

4726880640 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 4726880640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8214808680).

4726880640 is an abundant number, since it is smaller than the sum of its proper divisors (11702736720).

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

4726880640 is a wasteful number, since it uses less digits than its factorization.

4726880640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5409 (or 5394 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The square root of 4726880640 is about 68752.3137065219. The cubic root of 4726880640 is about 1678.2560133453.

The spelling of 4726880640 in words is "four billion, seven hundred twenty-six million, eight hundred eighty thousand, six hundred forty".