3820418040 has 32 divisors (see below), whose sum is σ = 11461254480. Its totient is φ = 1018778112.

The previous prime is 3820418023. The next prime is 3820418057. The reversal of 3820418040 is 408140283.

It is an interprime number because it is at equal distance from previous prime (3820418023) and next prime (3820418057).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 3820417989 and 3820418007.

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, 15918289 + ... + 15918528.

Almost surely, 2^3820418040 is an apocalyptic number.

3820418040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3820418040 is an abundant number, since it is smaller than the sum of its proper divisors (7640836440).

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

3820418040 is a wasteful number, since it uses less digits than its factorization.

3820418040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31836831 (or 31836827 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 3820418040 is about 61809.5303331129. The cubic root of 3820418040 is about 1563.2806862682.

The spelling of 3820418040 in words is "three billion, eight hundred twenty million, four hundred eighteen thousand, forty".