240453442 has 16 divisors (see below), whose sum is σ = 373557240. Its totient is φ = 115944192.

The previous prime is 240453439. The next prime is 240453443. The reversal of 240453442 is 244354042.

It can be written as a sum of positive squares in 4 ways, for example, as 228886641 + 11566801 = 15129^2 + 3401^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 240453442.

It is not an unprimeable number, because it can be changed into a prime (240453443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61498 + ... + 65290.

Almost surely, 2^240453442 is an apocalyptic number.

240453442 is a deficient number, since it is larger than the sum of its proper divisors (133103798).

240453442 is a wasteful number, since it uses less digits than its factorization.

240453442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4917.

The product of its (nonzero) digits is 15360, while the sum is 28.

The square root of 240453442 is about 15506.5612564488. The cubic root of 240453442 is about 621.8376298916.

The spelling of 240453442 in words is "two hundred forty million, four hundred fifty-three thousand, four hundred forty-two".