3648559740 has 96 divisors (see below), whose sum is σ = 12289912320. Its totient is φ = 790062336.

The previous prime is 3648559727. The next prime is 3648559753. The reversal of 3648559740 is 479558463.

It is an interprime number because it is at equal distance from previous prime (3648559727) and next prime (3648559753).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220627 + ... + 236586.

It is an arithmetic number, because the mean of its divisors is an integer number (128019920).

Almost surely, 2^3648559740 is an apocalyptic number.

3648559740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3648559740 is an abundant number, since it is smaller than the sum of its proper divisors (8641352580).

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

3648559740 is a wasteful number, since it uses less digits than its factorization.

3648559740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457251 (or 457249 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 51.

The square root of 3648559740 is about 60403.3090153180. The cubic root of 3648559740 is about 1539.4791824031.

The spelling of 3648559740 in words is "three billion, six hundred forty-eight million, five hundred fifty-nine thousand, seven hundred forty".