40045533140 has 48 divisors (see below), whose sum is σ = 85946241024. Its totient is φ = 15666201600.

The previous prime is 40045533139. The next prime is 40045533163. The reversal of 40045533140 is 4133554004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1368260 + ... + 1397220.

It is an arithmetic number, because the mean of its divisors is an integer number (1790546688).

Almost surely, 2^40045533140 is an apocalyptic number.

It is an amenable number.

40045533140 is an abundant number, since it is smaller than the sum of its proper divisors (45900707884).

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

40045533140 is a wasteful number, since it uses less digits than its factorization.

40045533140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30488 (or 30486 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The spelling of 40045533140 in words is "forty billion, forty-five million, five hundred thirty-three thousand, one hundred forty".