3690694545440 has 48 divisors (see below), whose sum is σ = 9964875275712. Its totient is φ = 1265380986624.

The previous prime is 3690694545427. The next prime is 3690694545443. The reversal of 3690694545440 is 445454960963.

It is a self number, because there is not a number n which added to its sum of digits gives 3690694545440.

It is not an unprimeable number, because it can be changed into a prime (3690694545443) by changing a digit.

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, 1647630374 + ... + 1647632613.

It is an arithmetic number, because the mean of its divisors is an integer number (207601568244).

Almost surely, 2^{3690694545440} is an apocalyptic number.

It is an amenable number.

3690694545440 is an abundant number, since it is smaller than the sum of its proper divisors (6274180730272).

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

3690694545440 is a wasteful number, since it uses less digits than its factorization.

3690694545440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3295263009 (or 3295263001 counting only the distinct ones).

The product of its (nonzero) digits is 55987200, while the sum is 59.

The spelling of 3690694545440 in words is "three trillion, six hundred ninety billion, six hundred ninety-four million, five hundred forty-five thousand, four hundred forty".