40450055232 has 112 divisors (see below), whose sum is σ = 110120826240. Its totient is φ = 13094572032.

The previous prime is 40450055197. The next prime is 40450055251. The reversal of 40450055232 is 23255005404.

It is a self number, because there is not a number n which added to its sum of digits gives 40450055232.

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, 4037173 + ... + 4047179.

Almost surely, 2^40450055232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40450055232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55060413120).

40450055232 is an abundant number, since it is smaller than the sum of its proper divisors (69670771008).

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

40450055232 is a wasteful number, since it uses less digits than its factorization.

40450055232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10628 (or 10618 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

The spelling of 40450055232 in words is "forty billion, four hundred fifty million, fifty-five thousand, two hundred thirty-two".