4693993440 has 192 divisors, whose sum is σ = 15138446400. Its totient is φ = 1222262784.

The previous prime is 4693993427. The next prime is 4693993459. The reversal of 4693993440 is 443993964.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3818746 + ... + 3819974.

It is an arithmetic number, because the mean of its divisors is an integer number (78846075).

Almost surely, 2^4693993440 is an apocalyptic number.

4693993440 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 4693993440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7569223200).

4693993440 is an abundant number, since it is smaller than the sum of its proper divisors (10444452960).

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

4693993440 is a wasteful number, since it uses less digits than its factorization.

4693993440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429 (or 1421 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 51.

The square root of 4693993440 is about 68512.7246575408. The cubic root of 4693993440 is about 1674.3548048983.

The spelling of 4693993440 in words is "four billion, six hundred ninety-three million, nine hundred ninety-three thousand, four hundred forty".