40842253652 has 6 divisors (see below), whose sum is σ = 71473943898. Its totient is φ = 20421126824.

The previous prime is 40842253637. The next prime is 40842253663. The reversal of 40842253652 is 25635224804.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 36858624196 + 3983629456 = 191986^2 + 63116^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105281703 + ... + 5105281710.

It is an arithmetic number, because the mean of its divisors is an integer number (11912323983).

Almost surely, 2^40842253652 is an apocalyptic number.

It is an amenable number.

40842253652 is a deficient number, since it is larger than the sum of its proper divisors (30631690246).

40842253652 is a wasteful number, since it uses less digits than its factorization.

40842253652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10210563417 (or 10210563415 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 41.

The spelling of 40842253652 in words is "forty billion, eight hundred forty-two million, two hundred fifty-three thousand, six hundred fifty-two".