4978429940 has 96 divisors (see below), whose sum is σ = 12201404544. Its totient is φ = 1686159360.

The previous prime is 4978429931. The next prime is 4978429949. The reversal of 4978429940 is 499248794.

It is an interprime number because it is at equal distance from previous prime (4978429931) and next prime (4978429949).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4978429949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 355919 + ... + 369641.

It is an arithmetic number, because the mean of its divisors is an integer number (127097964).

Almost surely, 2^4978429940 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 4978429940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6100702272).

4978429940 is an abundant number, since it is smaller than the sum of its proper divisors (7222974604).

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

4978429940 is a wasteful number, since it uses less digits than its factorization.

4978429940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13857 (or 13855 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 56.

The square root of 4978429940 is about 70557.9899090103. The cubic root of 4978429940 is about 1707.5134499433.

The spelling of 4978429940 in words is "four billion, nine hundred seventy-eight million, four hundred twenty-nine thousand, nine hundred forty".