354143451640 has 96 divisors (see below), whose sum is σ = 900270268560. Its totient is φ = 124338636800.

The previous prime is 354143451617. The next prime is 354143451647. The reversal of 354143451640 is 46154341453.

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 = 354143451593 and 354143451602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354143451647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108481 + ... + 848560.

Almost surely, 2^354143451640 is an apocalyptic number.

It is an amenable number.

354143451640 is an abundant number, since it is smaller than the sum of its proper divisors (546126816920).

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

354143451640 is a wasteful number, since it uses less digits than its factorization.

354143451640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957121 (or 957088 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 354143451640 in words is "three hundred fifty-four billion, one hundred forty-three million, four hundred fifty-one thousand, six hundred forty".