40120553354 has 8 divisors (see below), whose sum is σ = 68778091488. Its totient is φ = 17194522860.

The previous prime is 40120553351. The next prime is 40120553381. The reversal of 40120553354 is 45335502104.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40120553354.

It is not an unprimeable number, because it can be changed into a prime (40120553351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1432876892 + ... + 1432876919.

It is an arithmetic number, because the mean of its divisors is an integer number (8597261436).

Almost surely, 2^40120553354 is an apocalyptic number.

40120553354 is a deficient number, since it is larger than the sum of its proper divisors (28657538134).

40120553354 is a wasteful number, since it uses less digits than its factorization.

40120553354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2865753820.

The product of its (nonzero) digits is 36000, while the sum is 32.

The spelling of 40120553354 in words is "forty billion, one hundred twenty million, five hundred fifty-three thousand, three hundred fifty-four".