40005554352252 has 24 divisors (see below), whose sum is σ = 93693305739600. Its totient is φ = 13285611605376.

The previous prime is 40005554352187. The next prime is 40005554352301. The reversal of 40005554352252 is 25225345550004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6196643977 + ... + 6196650432.

It is an arithmetic number, because the mean of its divisors is an integer number (3903887739150).

Almost surely, 2^{40005554352252} is an apocalyptic number.

It is an amenable number.

40005554352252 is an abundant number, since it is smaller than the sum of its proper divisors (53687751387348).

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

40005554352252 is a wasteful number, since it uses less digits than its factorization.

40005554352252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12393294685 (or 12393294683 counting only the distinct ones).

The product of its (nonzero) digits is 1200000, while the sum is 42.

The spelling of 40005554352252 in words is "forty trillion, five billion, five hundred fifty-four million, three hundred fifty-two thousand, two hundred fifty-two".