355492778124 has 288 divisors, whose sum is σ = 957307051008. Its totient is φ = 102498739200.

The previous prime is 355492778119. The next prime is 355492778129. The reversal of 355492778124 is 421877294553.

It is an interprime number because it is at equal distance from previous prime (355492778119) and next prime (355492778129).

Its product of digits (16934400) is a multiple of the sum of its prime divisors (784).

It is not an unprimeable number, because it can be changed into a prime (355492778129) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 968644989 + ... + 968645355.

It is an arithmetic number, because the mean of its divisors is an integer number (3323982816).

Almost surely, 2^355492778124 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 355492778124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (478653525504).

355492778124 is an abundant number, since it is smaller than the sum of its proper divisors (601814272884).

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

355492778124 is a wasteful number, since it uses less digits than its factorization.

355492778124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797 (or 784 counting only the distinct ones).

The product of its digits is 16934400, while the sum is 57.

The spelling of 355492778124 in words is "three hundred fifty-five billion, four hundred ninety-two million, seven hundred seventy-eight thousand, one hundred twenty-four".