40730213140 has 12 divisors (see below), whose sum is σ = 85533447636. Its totient is φ = 16292085248.

The previous prime is 40730213131. The next prime is 40730213191. The reversal of 40730213140 is 4131203704.

It can be written as a sum of positive squares in 2 ways, for example, as 10996039044 + 29734174096 = 104862^2 + 172436^2 .

It is a super-3 number, since 3×40730213140³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1018255309 + ... + 1018255348.

It is an arithmetic number, because the mean of its divisors is an integer number (7127787303).

Almost surely, 2^40730213140 is an apocalyptic number.

It is an amenable number.

40730213140 is an abundant number, since it is smaller than the sum of its proper divisors (44803234496).

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

40730213140 is a wasteful number, since it uses less digits than its factorization.

40730213140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036510666 (or 2036510664 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

Adding to 40730213140 its reverse (4131203704), we get a palindrome (44861416844).

The spelling of 40730213140 in words is "forty billion, seven hundred thirty million, two hundred thirteen thousand, one hundred forty".