40050453440 has 112 divisors (see below), whose sum is σ = 96094296000. Its totient is φ = 15899000832.

The previous prime is 40050453431. The next prime is 40050453461. The reversal of 40050453440 is 4435405004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43110896 + ... + 43111824.

Almost surely, 2^40050453440 is an apocalyptic number.

40050453440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40050453440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48047148000).

40050453440 is an abundant number, since it is smaller than the sum of its proper divisors (56043842560).

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

40050453440 is a wasteful number, since it uses less digits than its factorization.

40050453440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1822 (or 1812 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

Adding to 40050453440 its reverse (4435405004), we get a palindrome (44485858444).

The spelling of 40050453440 in words is "forty billion, fifty million, four hundred fifty-three thousand, four hundred forty".