3537216742444 has 96 divisors (see below), whose sum is σ = 7910070884352. Its totient is φ = 1343796480000.

The previous prime is 3537216742441. The next prime is 3537216742459. The reversal of 3537216742444 is 4442476127353.

It is a super-2 number, since 2×3537216742444² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3537216742391 and 3537216742400.

It is not an unprimeable number, because it can be changed into a prime (3537216742441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23577469 + ... + 23727019.

It is an arithmetic number, because the mean of its divisors is an integer number (82396571712).

Almost surely, 2^{3537216742444} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3537216742444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3955035442176).

3537216742444 is an abundant number, since it is smaller than the sum of its proper divisors (4372854141908).

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

3537216742444 is a wasteful number, since it uses less digits than its factorization.

3537216742444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151487 (or 151485 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 52.

The spelling of 3537216742444 in words is "three trillion, five hundred thirty-seven billion, two hundred sixteen million, seven hundred forty-two thousand, four hundred forty-four".