3654231880 has 32 divisors (see below), whose sum is σ = 8854486200. Its totient is φ = 1349254656.

The previous prime is 3654231877. The next prime is 3654231899. The reversal of 3654231880 is 881324563.

It can be written as a sum of positive squares in 4 ways, for example, as 2425168516 + 1229063364 = 49246^2 + 35058^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3513165 + ... + 3514204.

Almost surely, 2^3654231880 is an apocalyptic number.

It is an amenable number.

3654231880 is an abundant number, since it is smaller than the sum of its proper divisors (5200254320).

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

3654231880 is a wasteful number, since it uses less digits than its factorization.

3654231880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7027393 (or 7027389 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 3654231880 is about 60450.2430102642. The cubic root of 3654231880 is about 1540.2765399825.

The spelling of 3654231880 in words is "three billion, six hundred fifty-four million, two hundred thirty-one thousand, eight hundred eighty".