4158778680 has 256 divisors, whose sum is σ = 16775424000. Its totient is φ = 894633984.

The previous prime is 4158778633. The next prime is 4158778693. The reversal of 4158778680 is 868778514.

It is a happy number.

4158778680 is a `hidden beast` number, since 415 + 8 + 77 + 86 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 112341 + ... + 144699.

It is an arithmetic number, because the mean of its divisors is an integer number (65529000).

Almost surely, 2^4158778680 is an apocalyptic number.

4158778680 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 4158778680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8387712000).

4158778680 is an abundant number, since it is smaller than the sum of its proper divisors (12616645320).

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

4158778680 is a wasteful number, since it uses less digits than its factorization.

4158778680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32403 (or 32393 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 54.

The square root of 4158778680 is about 64488.5934099977. The cubic root of 4158778680 is about 1608.1328972362.

The spelling of 4158778680 in words is "four billion, one hundred fifty-eight million, seven hundred seventy-eight thousand, six hundred eighty".