354240340055 has 24 divisors (see below), whose sum is σ = 497000769408. Its totient is φ = 241674595008.

The previous prime is 354240340021. The next prime is 354240340057. The reversal of 354240340055 is 550043042453.

It is a de Polignac number, because none of the positive numbers 2^k-354240340055 is a prime.

It is a super-3 number, since 3×354240340055³ (a number of 36 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 354240339997 and 354240340024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354240340057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3621479 + ... + 3718008.

It is an arithmetic number, because the mean of its divisors is an integer number (20708365392).

Almost surely, 2^354240340055 is an apocalyptic number.

354240340055 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

354240340055 is a deficient number, since it is larger than the sum of its proper divisors (142760429353).

354240340055 is a wasteful number, since it uses less digits than its factorization.

354240340055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7339703 (or 7339696 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 35.

The spelling of 354240340055 in words is "three hundred fifty-four billion, two hundred forty million, three hundred forty thousand, fifty-five".