3845316540 has 48 divisors (see below), whose sum is σ = 11595110688. Its totient is φ = 946539264.

The previous prime is 3845316523. The next prime is 3845316557. The reversal of 3845316540 is 456135483.

It is an interprime number because it is at equal distance from previous prime (3845316523) and next prime (3845316557).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

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, 2464167 + ... + 2465726.

It is an arithmetic number, because the mean of its divisors is an integer number (241564806).

Almost surely, 2^3845316540 is an apocalyptic number.

3845316540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3845316540 is an abundant number, since it is smaller than the sum of its proper divisors (7749794148).

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

3845316540 is a wasteful number, since it uses less digits than its factorization.

3845316540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4929918 (or 4929916 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The square root of 3845316540 is about 62010.6163491382. The cubic root of 3845316540 is about 1566.6694159199.

The spelling of 3845316540 in words is "three billion, eight hundred forty-five million, three hundred sixteen thousand, five hundred forty".