3755103780420 has 72 divisors (see below), whose sum is σ = 11405217312216. Its totient is φ = 1000065549312.

The previous prime is 3755103780409. The next prime is 3755103780443. The reversal of 3755103780420 is 240873015573.

3755103780420 is a `hidden beast` number, since 3 + 7 + 5 + 510 + 37 + 80 + 4 + 20 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 480972764484 + 3274131015936 = 693522^2 + 1809456^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13354837 + ... + 13633116.

It is an arithmetic number, because the mean of its divisors is an integer number (158405796003).

Almost surely, 2^{3755103780420} is an apocalyptic number.

3755103780420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3755103780420 is an abundant number, since it is smaller than the sum of its proper divisors (7650113531796).

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

3755103780420 is a wasteful number, since it uses less digits than its factorization.

3755103780420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26988741 (or 26988736 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

Adding to 3755103780420 its reverse (240873015573), we get a palindrome (3995976795993).

The spelling of 3755103780420 in words is "three trillion, seven hundred fifty-five billion, one hundred three million, seven hundred eighty thousand, four hundred twenty".