3557060780 has 192 divisors, whose sum is σ = 9561500928. Its totient is φ = 1081589760.

The previous prime is 3557060779. The next prime is 3557060783. The reversal of 3557060780 is 870607553.

It is a super-2 number, since 2×3557060780² = 25305362785228416800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (3557060783) 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, 5446934 + ... + 5447586.

It is an arithmetic number, because the mean of its divisors is an integer number (49799484).

Almost surely, 2^3557060780 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 3557060780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4780750464).

3557060780 is an abundant number, since it is smaller than the sum of its proper divisors (6004440148).

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

3557060780 is a wasteful number, since it uses less digits than its factorization.

3557060780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796 (or 794 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 3557060780 is about 59641.0997551185. The cubic root of 3557060780 is about 1526.5010078339.

The spelling of 3557060780 in words is "three billion, five hundred fifty-seven million, sixty thousand, seven hundred eighty".