3545640432 has 40 divisors (see below), whose sum is σ = 10177302480. Its totient is φ = 1181880000.

The previous prime is 3545640409. The next prime is 3545640443. The reversal of 3545640432 is 2340465453.

3545640432 is a `hidden beast` number, since 3 + 5 + 4 + 5 + 640 + 4 + 3 + 2 = 666.

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 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, 4103319 + ... + 4104182.

It is an arithmetic number, because the mean of its divisors is an integer number (254432562).

Almost surely, 2^3545640432 is an apocalyptic number.

It is an amenable number.

3545640432 is an abundant number, since it is smaller than the sum of its proper divisors (6631662048).

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

3545640432 is a wasteful number, since it uses less digits than its factorization.

3545640432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8207518 (or 8207506 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

The square root of 3545640432 is about 59545.2805182745. The cubic root of 3545640432 is about 1524.8655880101.

The spelling of 3545640432 in words is "three billion, five hundred forty-five million, six hundred forty thousand, four hundred thirty-two".