2478117936 has 80 divisors (see below), whose sum is σ = 7365600000. Its totient is φ = 703267584.

The previous prime is 2478117923. The next prime is 2478117977. The reversal of 2478117936 is 6397118742.

It is a happy number.

It is a super-2 number, since 2×2478117936² = 12282137009449800192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25315 + ... + 74813.

It is an arithmetic number, because the mean of its divisors is an integer number (92070000).

Almost surely, 2^2478117936 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 2478117936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3682800000).

2478117936 is an abundant number, since it is smaller than the sum of its proper divisors (4887482064).

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

2478117936 is a wasteful number, since it uses less digits than its factorization.

2478117936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49666 (or 49660 counting only the distinct ones).

The product of its digits is 508032, while the sum is 48.

The square root of 2478117936 is about 49780.6984282061. The cubic root of 2478117936 is about 1353.2373946296.

The spelling of 2478117936 in words is "two billion, four hundred seventy-eight million, one hundred seventeen thousand, nine hundred thirty-six".