10400342240 has 24 divisors (see below), whose sum is σ = 24570808920. Its totient is φ = 4160136832.

The previous prime is 10400342209. The next prime is 10400342257. The reversal of 10400342240 is 4224300401.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32500910 + ... + 32501229.

It is an arithmetic number, because the mean of its divisors is an integer number (1023783705).

Almost surely, 2^10400342240 is an apocalyptic number.

10400342240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10400342240 is an abundant number, since it is smaller than the sum of its proper divisors (14170466680).

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

10400342240 is an equidigital number, since it uses as much as digits as its factorization.

10400342240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65002154 (or 65002146 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 10400342240 its reverse (4224300401), we get a palindrome (14624642641).

The spelling of 10400342240 in words is "ten billion, four hundred million, three hundred forty-two thousand, two hundred forty".