354335115640 has 64 divisors (see below), whose sum is σ = 870569856000. Its totient is φ = 128724954240.

The previous prime is 354335115623. The next prime is 354335115653. The reversal of 354335115640 is 46511533453.

It is a super-2 number, since 2×354335115640² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 354335115593 and 354335115602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69621 + ... + 844699.

It is an arithmetic number, because the mean of its divisors is an integer number (13602654000).

Almost surely, 2^354335115640 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 354335115640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (435284928000).

354335115640 is an abundant number, since it is smaller than the sum of its proper divisors (516234740360).

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

354335115640 is a wasteful number, since it uses less digits than its factorization.

354335115640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776140 (or 776136 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 40.

The spelling of 354335115640 in words is "three hundred fifty-four billion, three hundred thirty-five million, one hundred fifteen thousand, six hundred forty".