3620440440 has 96 divisors (see below), whose sum is σ = 11915467200. Its totient is φ = 953222400.

The previous prime is 3620440429. The next prime is 3620440451. The reversal of 3620440440 is 440440263.

It is an interprime number because it is at equal distance from previous prime (3620440429) and next prime (3620440451).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35211 + ... + 92090.

It is an arithmetic number, because the mean of its divisors is an integer number (124119450).

Almost surely, 2^3620440440 is an apocalyptic number.

3620440440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3620440440 is an abundant number, since it is smaller than the sum of its proper divisors (8295026760).

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

3620440440 is a wasteful number, since it uses less digits than its factorization.

3620440440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127397 (or 127390 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 3620440440 is about 60170.0958948879. The cubic root of 3620440440 is about 1535.5140776558.

The spelling of 3620440440 in words is "three billion, six hundred twenty million, four hundred forty thousand, four hundred forty".