3554722121440 has 48 divisors (see below), whose sum is σ = 9597749730912. Its totient is φ = 1218761869824.

The previous prime is 3554722121389. The next prime is 3554722121441. The reversal of 3554722121440 is 441212274553.

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

It is a junction number, because it is equal to n+sod(n) for n = 3554722121393 and 3554722121402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3554722121441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1586928399 + ... + 1586930638.

It is an arithmetic number, because the mean of its divisors is an integer number (199953119394).

Almost surely, 2^{3554722121440} is an apocalyptic number.

It is an amenable number.

3554722121440 is an abundant number, since it is smaller than the sum of its proper divisors (6043027609472).

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

3554722121440 is a wasteful number, since it uses less digits than its factorization.

3554722121440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3173859059 (or 3173859051 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 40.

Adding to 3554722121440 its reverse (441212274553), we get a palindrome (3995934395993).

The spelling of 3554722121440 in words is "three trillion, five hundred fifty-four billion, seven hundred twenty-two million, one hundred twenty-one thousand, four hundred forty".