40450213132 has 24 divisors (see below), whose sum is σ = 81155650464. Its totient is φ = 17281114752.

The previous prime is 40450213127. The next prime is 40450213159. The reversal of 40450213132 is 23131205404.

It is a junction number, because it is equal to n+sod(n) for n = 40450213097 and 40450213106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2269753 + ... + 2287504.

It is an arithmetic number, because the mean of its divisors is an integer number (3381485436).

Almost surely, 2^40450213132 is an apocalyptic number.

It is an amenable number.

40450213132 is an abundant number, since it is smaller than the sum of its proper divisors (40705437332).

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

40450213132 is a wasteful number, since it uses less digits than its factorization.

40450213132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4557585 (or 4557583 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 40450213132 its reverse (23131205404), we get a palindrome (63581418536).

The spelling of 40450213132 in words is "forty billion, four hundred fifty million, two hundred thirteen thousand, one hundred thirty-two".