3701043840 has 128 divisors (see below), whose sum is σ = 12704630400. Its totient is φ = 911020032.

The previous prime is 3701043817. The next prime is 3701043847. The reversal of 3701043840 is 483401073.

It is a tau number, because it is divible by the number of its divisors (128).

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 = 3701043798 and 3701043807.

It is not an unprimeable number, because it can be changed into a prime (3701043847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49180 + ... + 99099.

It is an arithmetic number, because the mean of its divisors is an integer number (99254925).

Almost surely, 2^3701043840 is an apocalyptic number.

3701043840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3701043840 is an abundant number, since it is smaller than the sum of its proper divisors (9003586560).

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

3701043840 is a wasteful number, since it uses less digits than its factorization.

3701043840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148314 (or 148302 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 3701043840 is about 60836.2050098459. The cubic root of 3701043840 is about 1546.8258093612.

The spelling of 3701043840 in words is "three billion, seven hundred one million, forty-three thousand, eight hundred forty".