40445213130 has 96 divisors (see below), whose sum is σ = 120389428224. Its totient is φ = 9228515328.

The previous prime is 40445213129. The next prime is 40445213161. The reversal of 40445213130 is 3131254404.

It is a happy number.

40445213130 is a `hidden beast` number, since 4 + 0 + 4 + 4 + 521 + 3 + 130 = 666.

It is a super-2 number, since 2×40445213130² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40445213094 and 40445213103.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 307879 + ... + 419141.

It is an arithmetic number, because the mean of its divisors is an integer number (1254056544).

Almost surely, 2^40445213130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40445213130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60194714112).

40445213130 is an abundant number, since it is smaller than the sum of its proper divisors (79944215094).

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

40445213130 is a wasteful number, since it uses less digits than its factorization.

40445213130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111860 (or 111857 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 40445213130 its reverse (3131254404), we get a palindrome (43576467534).

The spelling of 40445213130 in words is "forty billion, four hundred forty-five million, two hundred thirteen thousand, one hundred thirty".