1400043340 has 12 divisors (see below), whose sum is σ = 2940091056. Its totient is φ = 560017328.

The previous prime is 1400043311. The next prime is 1400043341. The reversal of 1400043340 is 433400041.

It is not an unprimeable number, because it can be changed into a prime (1400043341) 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, 35001064 + ... + 35001103.

It is an arithmetic number, because the mean of its divisors is an integer number (245007588).

Almost surely, 2^1400043340 is an apocalyptic number.

1400043340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1400043340 is an abundant number, since it is smaller than the sum of its proper divisors (1540047716).

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

1400043340 is a wasteful number, since it uses less digits than its factorization.

1400043340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70002176 (or 70002174 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1400043340 is about 37417.1530183685. The cubic root of 1400043340 is about 1118.7004857667.

Adding to 1400043340 its reverse (433400041), we get a palindrome (1833443381).

The spelling of 1400043340 in words is "one billion, four hundred million, forty-three thousand, three hundred forty".