3613494240 has 120 divisors (see below), whose sum is σ = 12752669160. Its totient is φ = 963595008.

The previous prime is 3613494239. The next prime is 3613494253. The reversal of 3613494240 is 424943163.

It is a happy number.

3613494240 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 3613494195 and 3613494204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 126450 + ... + 152369.

It is an arithmetic number, because the mean of its divisors is an integer number (106272243).

Almost surely, 2^3613494240 is an apocalyptic number.

3613494240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3613494240 is an abundant number, since it is smaller than the sum of its proper divisors (9139174920).

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

3613494240 is a wasteful number, since it uses less digits than its factorization.

3613494240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278846 (or 278829 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 3613494240 is about 60112.3468182702. The cubic root of 3613494240 is about 1534.5314332676.

The spelling of 3613494240 in words is "three billion, six hundred thirteen million, four hundred ninety-four thousand, two hundred forty".