3735008640 has 576 divisors, whose sum is σ = 14856397920. Its totient is φ = 862371840.

The previous prime is 3735008609. The next prime is 3735008653. The reversal of 3735008640 is 468005373.

It is a happy number.

3735008640 is a `hidden beast` number, since 3 + 7 + 3 + 5 + 0 + 0 + 8 + 640 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

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 = 3735008595 and 3735008604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 16029964 + ... + 16030196.

Almost surely, 2^3735008640 is an apocalyptic number.

3735008640 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 3735008640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7428198960).

3735008640 is an abundant number, since it is smaller than the sum of its proper divisors (11121389280).

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

3735008640 is a wasteful number, since it uses less digits than its factorization.

3735008640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 3735008640 is about 61114.7170491691. The cubic root of 3735008640 is about 1551.5431928698.

The spelling of 3735008640 in words is "three billion, seven hundred thirty-five million, eight thousand, six hundred forty".