3655494000 has 240 divisors, whose sum is σ = 12828089664. Its totient is φ = 970176000.

The previous prime is 3655493981. The next prime is 3655494013. The reversal of 3655494000 is 4945563.

It is a happy number.

3655494000 is digitally balanced in base 2, because in such base 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 (240).

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

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, 5597674 + ... + 5598326.

Almost surely, 2^3655494000 is an apocalyptic number.

3655494000 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 3655494000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6414044832).

3655494000 is an abundant number, since it is smaller than the sum of its proper divisors (9172595664).

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

3655494000 is a wasteful number, since it uses less digits than its factorization.

3655494000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993 (or 974 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 3655494000 is about 60460.6814384357. The cubic root of 3655494000 is about 1540.4538494802.

The spelling of 3655494000 in words is "three billion, six hundred fifty-five million, four hundred ninety-four thousand".