40053421000 has 64 divisors (see below), whose sum is σ = 95009082480. Its totient is φ = 15801868800.

The previous prime is 40053420973. The next prime is 40053421117. The reversal of 40053421000 is 12435004.

It can be written as a sum of positive squares in 8 ways, for example, as 475501636 + 39577919364 = 21806^2 + 198942^2 .

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 201339 + ... + 347338.

Almost surely, 2^40053421000 is an apocalyptic number.

40053421000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40053421000 is an abundant number, since it is smaller than the sum of its proper divisors (54955661480).

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

40053421000 is a wasteful number, since it uses less digits than its factorization.

40053421000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548771 (or 548757 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 40053421000 its reverse (12435004), we get a palindrome (40065856004).

The spelling of 40053421000 in words is "forty billion, fifty-three million, four hundred twenty-one thousand".