4019736840 has 64 divisors (see below), whose sum is σ = 13781957760. Its totient is φ = 918796800.

The previous prime is 4019736827. The next prime is 4019736859. The reversal of 4019736840 is 486379104.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 4019736792 and 4019736801.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2391861 + ... + 2393540.

It is an arithmetic number, because the mean of its divisors is an integer number (215343090).

Almost surely, 2^4019736840 is an apocalyptic number.

4019736840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4019736840 is an abundant number, since it is smaller than the sum of its proper divisors (9762220920).

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

4019736840 is a wasteful number, since it uses less digits than its factorization.

4019736840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4785422 (or 4785418 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 4019736840 is about 63401.3946218851. The cubic root of 4019736840 is about 1590.0076262440.

The spelling of 4019736840 in words is "four billion, nineteen million, seven hundred thirty-six thousand, eight hundred forty".