351742481100 has 216 divisors, whose sum is σ = 1157712307920. Its totient is φ = 91615345920.

The previous prime is 351742481099. The next prime is 351742481107. The reversal of 351742481100 is 1184247153.

351742481100 is a `hidden beast` number, since 3 + 5 + 1 + 74 + 2 + 481 + 100 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (351742481107) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4957072 + ... + 5027528.

Almost surely, 2^351742481100 is an apocalyptic number.

351742481100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 351742481100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (578856153960).

351742481100 is an abundant number, since it is smaller than the sum of its proper divisors (805969826820).

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

351742481100 is a wasteful number, since it uses less digits than its factorization.

351742481100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70566 (or 70510 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The spelling of 351742481100 in words is "three hundred fifty-one billion, seven hundred forty-two million, four hundred eighty-one thousand, one hundred".