4249340478 has 48 divisors (see below), whose sum is σ = 9618804000. Its totient is φ = 1354046400.

The previous prime is 4249340467. The next prime is 4249340483. The reversal of 4249340478 is 8740439424.

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, 12423 + ... + 93021.

It is an arithmetic number, because the mean of its divisors is an integer number (200391750).

Almost surely, 2^4249340478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4249340478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4809402000).

4249340478 is an abundant number, since it is smaller than the sum of its proper divisors (5369463522).

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

4249340478 is a wasteful number, since it uses less digits than its factorization.

4249340478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80737 (or 80734 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The square root of 4249340478 is about 65186.9655529386. The cubic root of 4249340478 is about 1619.7221082551.

The spelling of 4249340478 in words is "four billion, two hundred forty-nine million, three hundred forty thousand, four hundred seventy-eight".