1400343030 has 48 divisors (see below), whose sum is σ = 3654100944. Its totient is φ = 372070080.

The previous prime is 1400343029. The next prime is 1400343041. The reversal of 1400343030 is 303430041.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1400342994 and 1400343012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3156 + ... + 53015.

It is an arithmetic number, because the mean of its divisors is an integer number (76127103).

Almost surely, 2^1400343030 is an apocalyptic number.

1400343030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1400343030 is an abundant number, since it is smaller than the sum of its proper divisors (2253757914).

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

1400343030 is a wasteful number, since it uses less digits than its factorization.

1400343030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56461 (or 56458 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 1400343030 is about 37421.1575181741. The cubic root of 1400343030 is about 1118.7803022076.

Adding to 1400343030 its reverse (303430041), we get a palindrome (1703773071).

The spelling of 1400343030 in words is "one billion, four hundred million, three hundred forty-three thousand, thirty".