40450250544 has 80 divisors (see below), whose sum is σ = 115042160640. Its totient is φ = 12145178880.

The previous prime is 40450250539. The next prime is 40450250549. The reversal of 40450250544 is 44505205404.

It is an interprime number because it is at equal distance from previous prime (40450250539) and next prime (40450250549).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (40450250549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293872 + ... + 408975.

It is an arithmetic number, because the mean of its divisors is an integer number (1438027008).

Almost surely, 2^40450250544 is an apocalyptic number.

40450250544 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40450250544 is an abundant number, since it is smaller than the sum of its proper divisors (74591910096).

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

40450250544 is a wasteful number, since it uses less digits than its factorization.

40450250544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702978 (or 702972 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 33.

Adding to 40450250544 its reverse (44505205404), we get a palindrome (84955455948).

The spelling of 40450250544 in words is "forty billion, four hundred fifty million, two hundred fifty thousand, five hundred forty-four".