1400320042 has 32 divisors (see below), whose sum is σ = 2410689600. Its totient is φ = 604128000.

The previous prime is 1400320001. The next prime is 1400320081. The reversal of 1400320042 is 2400230041.

It is a junction number, because it is equal to n+sod(n) for n = 1400319998 and 1400320025.

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, 19042 + ... + 56242.

It is an arithmetic number, because the mean of its divisors is an integer number (75334050).

Almost surely, 2^1400320042 is an apocalyptic number.

1400320042 is a deficient number, since it is larger than the sum of its proper divisors (1010369558).

1400320042 is a wasteful number, since it uses less digits than its factorization.

1400320042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37302.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1400320042 is about 37420.8503644693. The cubic root of 1400320042 is about 1118.7741802166.

Adding to 1400320042 its reverse (2400230041), we get a palindrome (3800550083).

Subtracting 1400320042 from its reverse (2400230041), we obtain a palindrome (999909999).

The spelling of 1400320042 in words is "one billion, four hundred million, three hundred twenty thousand, forty-two".