40450144530 has 64 divisors (see below), whose sum is σ = 102130243200. Its totient is φ = 10238215680.

The previous prime is 40450144517. The next prime is 40450144541. The reversal of 40450144530 is 3544105404.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 342691 + ... + 445350.

It is an arithmetic number, because the mean of its divisors is an integer number (1595785050).

Almost surely, 2^40450144530 is an apocalyptic number.

40450144530 is an abundant number, since it is smaller than the sum of its proper divisors (61680098670).

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

40450144530 is a wasteful number, since it uses less digits than its factorization.

40450144530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788139.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 40450144530 its reverse (3544105404), we get a palindrome (43994249934).

The spelling of 40450144530 in words is "forty billion, four hundred fifty million, one hundred forty-four thousand, five hundred thirty".