40015052340 has 48 divisors (see below), whose sum is σ = 115656414720. Its totient is φ = 10326464640.

The previous prime is 40015052323. The next prime is 40015052351. The reversal of 40015052340 is 4325051004.

It is a self number, because there is not a number n which added to its sum of digits gives 40015052340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10754875 + ... + 10758594.

It is an arithmetic number, because the mean of its divisors is an integer number (2409508640).

Almost surely, 2^40015052340 is an apocalyptic number.

It is an amenable number.

40015052340 is an abundant number, since it is smaller than the sum of its proper divisors (75641362380).

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

40015052340 is a wasteful number, since it uses less digits than its factorization.

40015052340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21513512 (or 21513510 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The spelling of 40015052340 in words is "forty billion, fifteen million, fifty-two thousand, three hundred forty".