3619610940 has 144 divisors (see below), whose sum is σ = 11282826240. Its totient is φ = 866236800.

The previous prime is 3619610923. The next prime is 3619610971. The reversal of 3619610940 is 490169163.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 570385 + ... + 576695.

It is an arithmetic number, because the mean of its divisors is an integer number (78352960).

Almost surely, 2^3619610940 is an apocalyptic number.

3619610940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3619610940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5641413120).

3619610940 is an abundant number, since it is smaller than the sum of its proper divisors (7663215300).

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

3619610940 is a wasteful number, since it uses less digits than its factorization.

3619610940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6424 (or 6411 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 3619610940 is about 60163.2025410882. The cubic root of 3619610940 is about 1535.3967985350.

The spelling of 3619610940 in words is "three billion, six hundred nineteen million, six hundred ten thousand, nine hundred forty".