40534341540 has 144 divisors (see below), whose sum is σ = 144028632384. Its totient is φ = 8422713600.

The previous prime is 40534341509. The next prime is 40534341577. The reversal of 40534341540 is 4514343504.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 594351 + ... + 659030.

It is an arithmetic number, because the mean of its divisors is an integer number (1000198836).

Almost surely, 2^40534341540 is an apocalyptic number.

It is an amenable number.

40534341540 is an abundant number, since it is smaller than the sum of its proper divisors (103494290844).

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

40534341540 is a wasteful number, since it uses less digits than its factorization.

40534341540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253418 (or 1253409 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

The spelling of 40534341540 in words is "forty billion, five hundred thirty-four million, three hundred forty-one thousand, five hundred forty".