1000400342 has 16 divisors (see below), whose sum is σ = 1528657920. Its totient is φ = 490876968.

The previous prime is 1000400321. The next prime is 1000400347. The reversal of 1000400342 is 2430040001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000400347) 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 7 ways as a sum of consecutive naturals, for example, 64643 + ... + 78609.

It is an arithmetic number, because the mean of its divisors is an integer number (95541120).

Almost surely, 2^1000400342 is an apocalyptic number.

1000400342 is a deficient number, since it is larger than the sum of its proper divisors (528257578).

1000400342 is a wasteful number, since it uses less digits than its factorization.

1000400342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14635.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1000400342 is about 31629.1059310882. The cubic root of 1000400342 is about 1000.1334295291.

Adding to 1000400342 its reverse (2430040001), we get a palindrome (3430440343).

The spelling of 1000400342 in words is "one billion, four hundred thousand, three hundred forty-two".