40133340540 has 72 divisors (see below), whose sum is σ = 126246622320. Its totient is φ = 10702222848.

The previous prime is 40133340493. The next prime is 40133340547. The reversal of 40133340540 is 4504333104.

40133340540 is a `hidden beast` number, since 40 + 13 + 33 + 40 + 540 = 666.

It is a super-2 number, since 2×40133340540² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40133340547) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4124085 + ... + 4133804.

It is an arithmetic number, because the mean of its divisors is an integer number (1753425310).

Almost surely, 2^40133340540 is an apocalyptic number.

It is an amenable number.

40133340540 is an abundant number, since it is smaller than the sum of its proper divisors (86113281780).

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

40133340540 is a wasteful number, since it uses less digits than its factorization.

40133340540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8257913 (or 8257899 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 40133340540 its reverse (4504333104), we get a palindrome (44637673644).

The spelling of 40133340540 in words is "forty billion, one hundred thirty-three million, three hundred forty thousand, five hundred forty".