40034143450 has 48 divisors (see below), whose sum is σ = 85186244160. Its totient is φ = 13712267520.

The previous prime is 40034143433. The next prime is 40034143463. The reversal of 40034143450 is 5434143004.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 296469 + ... + 409831.

It is an arithmetic number, because the mean of its divisors is an integer number (1774713420).

Almost surely, 2^40034143450 is an apocalyptic number.

40034143450 is an abundant number, since it is smaller than the sum of its proper divisors (45152100710).

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

40034143450 is a wasteful number, since it uses less digits than its factorization.

40034143450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114391 (or 114386 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 40034143450 its reverse (5434143004), we get a palindrome (45468286454).

The spelling of 40034143450 in words is "forty billion, thirty-four million, one hundred forty-three thousand, four hundred fifty".