3698045280 has 120 divisors (see below), whose sum is σ = 13051063872. Its totient is φ = 986141952.

The previous prime is 3698045261. The next prime is 3698045303. The reversal of 3698045280 is 825408963.

3698045280 is a `hidden beast` number, since 36 + 98 + 0 + 4 + 528 + 0 = 666.

3698045280 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 (45).

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, 129712 + ... + 155631.

Almost surely, 2^3698045280 is an apocalyptic number.

3698045280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3698045280 is an abundant number, since it is smaller than the sum of its proper divisors (9353018592).

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

3698045280 is a wasteful number, since it uses less digits than its factorization.

3698045280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285370 (or 285353 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 3698045280 is about 60811.5554808459. Note that the first 3 decimals coincide. The cubic root of 3698045280 is about 1546.4079539858.

The spelling of 3698045280 in words is "three billion, six hundred ninety-eight million, forty-five thousand, two hundred eighty".