240421445 has 16 divisors (see below), whose sum is σ = 316828800. Its totient is φ = 173688000.

The previous prime is 240421427. The next prime is 240421477. The reversal of 240421445 is 544124042.

It is not a de Polignac number, because 240421445 - 2⁶ = 240421381 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6170 + ... + 22779.

It is an arithmetic number, because the mean of its divisors is an integer number (19801800).

Almost surely, 2^240421445 is an apocalyptic number.

It is an amenable number.

240421445 is a deficient number, since it is larger than the sum of its proper divisors (76407355).

240421445 is a wasteful number, since it uses less digits than its factorization.

240421445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29116.

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 240421445 is about 15505.5294975696. The cubic root of 240421445 is about 621.8100461439.

Adding to 240421445 its reverse (544124042), we get a palindrome (784545487).

The spelling of 240421445 in words is "two hundred forty million, four hundred twenty-one thousand, four hundred forty-five".