354531241523340 has 432 divisors, whose sum is σ = 1260916776703584. Its totient is φ = 80392977100800.

The previous prime is 354531241523339. The next prime is 354531241523383. The reversal of 354531241523340 is 43325142135453.

354531241523340 is a `hidden beast` number, since 3 + 5 + 4 + 53 + 1 + 2 + 41 + 523 + 34 + 0 = 666.

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 143 ways as a sum of consecutive naturals, for example, 3998864292 + ... + 3998952948.

It is an arithmetic number, because the mean of its divisors is an integer number (2918788834962).

Almost surely, 2^{354531241523340} is an apocalyptic number.

354531241523340 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 354531241523340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (630458388351792).

354531241523340 is an abundant number, since it is smaller than the sum of its proper divisors (906385535180244).

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

354531241523340 is a wasteful number, since it uses less digits than its factorization.

354531241523340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92278 (or 92266 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 45.

Adding to 354531241523340 its reverse (43325142135453), we get a palindrome (397856383658793).

The spelling of 354531241523340 in words is "three hundred fifty-four trillion, five hundred thirty-one billion, two hundred forty-one million, five hundred twenty-three thousand, three hundred forty".