3557051927394 has 128 divisors (see below), whose sum is σ = 8425752330240. Its totient is φ = 980083105344.

The previous prime is 3557051927393. The next prime is 3557051927413. The reversal of 3557051927394 is 4937291507553.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3557051927393) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 62067477 + ... + 62124759.

It is an arithmetic number, because the mean of its divisors is an integer number (65826190080).

Almost surely, 2^{3557051927394} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3557051927394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4212876165120).

3557051927394 is an abundant number, since it is smaller than the sum of its proper divisors (4868700402846).

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

3557051927394 is a wasteful number, since it uses less digits than its factorization.

3557051927394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57804.

The product of its (nonzero) digits is 35721000, while the sum is 60.

The spelling of 3557051927394 in words is "three trillion, five hundred fifty-seven billion, fifty-one million, nine hundred twenty-seven thousand, three hundred ninety-four".