1440434354 has 8 divisors (see below), whose sum is σ = 2160908928. Its totient is φ = 720131380.

The previous prime is 1440434353. The next prime is 1440434357. The reversal of 1440434354 is 4534340441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1440434354² = 4149702256366794632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1440434354.

It is not an unprimeable number, because it can be changed into a prime (1440434353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19322 + ... + 57045.

It is an arithmetic number, because the mean of its divisors is an integer number (270113616).

Almost surely, 2^1440434354 is an apocalyptic number.

1440434354 is a deficient number, since it is larger than the sum of its proper divisors (720474574).

1440434354 is an equidigital number, since it uses as much as digits as its factorization.

1440434354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85800.

The product of its (nonzero) digits is 46080, while the sum is 32.

The square root of 1440434354 is about 37953.0546069747. The cubic root of 1440434354 is about 1129.3567628998.

Adding to 1440434354 its reverse (4534340441), we get a palindrome (5974774795).

The spelling of 1440434354 in words is "one billion, four hundred forty million, four hundred thirty-four thousand, three hundred fifty-four".