40534513140 has 96 divisors (see below), whose sum is σ = 127808593920. Its totient is φ = 9509558400.

The previous prime is 40534513139. The next prime is 40534513147. The reversal of 40534513140 is 4131543504.

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

It is a junction number, because it is equal to n+sod(n) for n = 40534513098 and 40534513107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40534513147) 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 31 ways as a sum of consecutive naturals, for example, 970120 + ... + 1011039.

It is an arithmetic number, because the mean of its divisors is an integer number (1331339520).

Almost surely, 2^40534513140 is an apocalyptic number.

It is an amenable number.

40534513140 is an abundant number, since it is smaller than the sum of its proper divisors (87274080780).

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

40534513140 is a wasteful number, since it uses less digits than its factorization.

40534513140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981213 (or 1981211 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 40534513140 in words is "forty billion, five hundred thirty-four million, five hundred thirteen thousand, one hundred forty".