454206340 has 48 divisors (see below), whose sum is σ = 1154224512. Its totient is φ = 146566656.

The previous prime is 454206331. The next prime is 454206349. The reversal of 454206340 is 43602454.

It is an interprime number because it is at equal distance from previous prime (454206331) and next prime (454206349).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 454206299 and 454206308.

It is not an unprimeable number, because it can be changed into a prime (454206349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93042 + ... + 97801.

It is an arithmetic number, because the mean of its divisors is an integer number (24046344).

Almost surely, 2^454206340 is an apocalyptic number.

It is an amenable number.

454206340 is an abundant number, since it is smaller than the sum of its proper divisors (700018172).

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

454206340 is a wasteful number, since it uses less digits than its factorization.

454206340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190876 (or 190874 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 454206340 is about 21312.1172106386. The cubic root of 454206340 is about 768.6897038658.

Adding to 454206340 its reverse (43602454), we get a palindrome (497808794).

The spelling of 454206340 in words is "four hundred fifty-four million, two hundred six thousand, three hundred forty".