1400450305 has 16 divisors (see below), whose sum is σ = 1728864000. Its totient is φ = 1088493952.

The previous prime is 1400450291. The next prime is 1400450321. The reversal of 1400450305 is 5030540041.

1400450305 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1400450305 is a prime.

It is a super-2 number, since 2×1400450305² = 3922522113549186050, which contains 22 as substring.

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, 10446 + ... + 53944.

It is an arithmetic number, because the mean of its divisors is an integer number (108054000).

Almost surely, 2^1400450305 is an apocalyptic number.

It is an amenable number.

1400450305 is a deficient number, since it is larger than the sum of its proper divisors (328413695).

1400450305 is a wasteful number, since it uses less digits than its factorization.

1400450305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43688.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 1400450305 is about 37422.5908376211. The cubic root of 1400450305 is about 1118.8088699918.

Adding to 1400450305 its reverse (5030540041), we get a palindrome (6430990346).

The spelling of 1400450305 in words is "one billion, four hundred million, four hundred fifty thousand, three hundred five".