454242740 has 36 divisors (see below), whose sum is σ = 1109652516. Its totient is φ = 155740032.

The previous prime is 454242697. The next prime is 454242787. The reversal of 454242740 is 47242454.

It can be written as a sum of positive squares in 2 ways, for example, as 322130704 + 132112036 = 17948^2 + 11494^2 .

It is a junction number, because it is equal to n+sod(n) for n = 454242697 and 454242706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 230777 + ... + 232736.

It is an arithmetic number, because the mean of its divisors is an integer number (30823681).

Almost surely, 2^454242740 is an apocalyptic number.

It is an amenable number.

454242740 is an abundant number, since it is smaller than the sum of its proper divisors (655409776).

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

454242740 is a wasteful number, since it uses less digits than its factorization.

454242740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463536 (or 463527 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 32.

The square root of 454242740 is about 21312.9711678123. The cubic root of 454242740 is about 768.7102375274.

The spelling of 454242740 in words is "four hundred fifty-four million, two hundred forty-two thousand, seven hundred forty".