1400453430 has 32 divisors (see below), whose sum is σ = 3411258624. Its totient is φ = 367879776.

The previous prime is 1400453399. The next prime is 1400453437. The reversal of 1400453430 is 343540041.

It is a super-2 number, since 2×1400453430² = 3922539619197529800, 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 1400453430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400453437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346362 + ... + 350381.

It is an arithmetic number, because the mean of its divisors is an integer number (106601832).

Almost surely, 2^1400453430 is an apocalyptic number.

1400453430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1400453430 is an abundant number, since it is smaller than the sum of its proper divisors (2010805194).

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

1400453430 is a wasteful number, since it uses less digits than its factorization.

1400453430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696820.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 1400453430 is about 37422.6325904525. The cubic root of 1400453430 is about 1118.8097021706.

Adding to 1400453430 its reverse (343540041), we get a palindrome (1743993471).

The spelling of 1400453430 in words is "one billion, four hundred million, four hundred fifty-three thousand, four hundred thirty".