40205254502 has 12 divisors (see below), whose sum is σ = 70154066700. Its totient is φ = 17230823316.

The previous prime is 40205254501. The next prime is 40205254519. The reversal of 40205254502 is 20545250204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40205254501) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 205128752 + ... + 205128947.

It is an arithmetic number, because the mean of its divisors is an integer number (5846172225).

Almost surely, 2^40205254502 is an apocalyptic number.

40205254502 is a deficient number, since it is larger than the sum of its proper divisors (29948812198).

40205254502 is a wasteful number, since it uses less digits than its factorization.

40205254502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410257715 (or 410257708 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 29.

The spelling of 40205254502 in words is "forty billion, two hundred five million, two hundred fifty-four thousand, five hundred two".