40140156630 has 96 divisors (see below), whose sum is σ = 112147857504. Its totient is φ = 9168090624.

The previous prime is 40140156619. The next prime is 40140156631. The reversal of 40140156630 is 3665104104.

It is a super-2 number, since 2×40140156630² (a number of 22 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40140156631) 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 47 ways as a sum of consecutive naturals, for example, 2126514 + ... + 2145306.

It is an arithmetic number, because the mean of its divisors is an integer number (1168206849).

Almost surely, 2^40140156630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40140156630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56073928752).

40140156630 is an abundant number, since it is smaller than the sum of its proper divisors (72007700874).

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

40140156630 is a wasteful number, since it uses less digits than its factorization.

40140156630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20270 (or 20263 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 40140156630 in words is "forty billion, one hundred forty million, one hundred fifty-six thousand, six hundred thirty".