10400054740 has 12 divisors (see below), whose sum is σ = 21840114996. Its totient is φ = 4160021888.

The previous prime is 10400054729. The next prime is 10400054741. The reversal of 10400054740 is 4745000401.

It can be written as a sum of positive squares in 2 ways, for example, as 6387845776 + 4012208964 = 79924^2 + 63342^2 .

It is a super-2 number, since 2×10400054740² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10400054741) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 260001349 + ... + 260001388.

It is an arithmetic number, because the mean of its divisors is an integer number (1820009583).

Almost surely, 2^10400054740 is an apocalyptic number.

10400054740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10400054740 is an abundant number, since it is smaller than the sum of its proper divisors (11440060256).

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

10400054740 is a wasteful number, since it uses less digits than its factorization.

10400054740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520002746 (or 520002744 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The spelling of 10400054740 in words is "ten billion, four hundred million, fifty-four thousand, seven hundred forty".