4867992440 has 32 divisors (see below), whose sum is σ = 10955180880. Its totient is φ = 1946806272.

The previous prime is 4867992439. The next prime is 4867992457. The reversal of 4867992440 is 442997684.

It is a Cunningham number, because it is equal to 69771²-1.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270359 + ... + 287801.

Almost surely, 2^4867992440 is an apocalyptic number.

4867992440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4867992440 is an abundant number, since it is smaller than the sum of its proper divisors (6087188440).

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

4867992440 is a wasteful number, since it uses less digits than its factorization.

4867992440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24431 (or 24427 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 53.

The square root of 4867992440 is about 69770.9999928337. Note that the first 5 decimals coincide. The cubic root of 4867992440 is about 1694.7928834447.

The spelling of 4867992440 in words is "four billion, eight hundred sixty-seven million, nine hundred ninety-two thousand, four hundred forty".