4992136380 has 768 divisors, whose sum is σ = 20901888000. Its totient is φ = 958003200.

The previous prime is 4992136363. The next prime is 4992136397. The reversal of 4992136380 is 836312994.

It is a happy number.

4992136380 is a `hidden beast` number, since 4 + 9 + 9 + 2 + 1 + 3 + 638 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (4992136363) and next prime (4992136397).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 56091376 + ... + 56091464.

It is an arithmetic number, because the mean of its divisors is an integer number (27216000).

Almost surely, 2^4992136380 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 4992136380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10450944000).

4992136380 is an abundant number, since it is smaller than the sum of its proper divisors (15909751620).

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

4992136380 is a wasteful number, since it uses less digits than its factorization.

4992136380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 4992136380 is about 70655.0520486681. The cubic root of 4992136380 is about 1709.0790362445.

The spelling of 4992136380 in words is "four billion, nine hundred ninety-two million, one hundred thirty-six thousand, three hundred eighty".